\chemfig{
                  O% 5
           =[:270]% 3
                     (
               -[:210]% 2
                         (
                   <[:150]% 4
            -[:90.4,2.094]% 115
                    -[:18]% 109
                   -[:330]% 110
             -[:30,,,,dlh]% 111
                    -[:90]% 112
            -[:150,,,,dlh]% 107
                   -[:210]% 108
                             (
                       -[:162]\mcfabove{N}{H}% 113
                       -[:234]% 114
       -[:306,,,,dbl={73}{73}]% -> 115
                             )
            -[:270,,,,dlh]% -> 109
                         )
           -[:270,,,2]HN% 1
            -[:330,,2]% 93
                         (
                   -[:270]% 95
                   -[:210]% 96
                   -[:270]% 97
                   -[:330]% 98
                    -[:30]% 99
                   -[:330]% 100
                   -[:270]% 101
                   -[:210]% 102
                   -[:270]% 103
                         )
                =[:30]O% 94
                     )
           -[:330]\mcfbelow{N}{H}% 6
            -[:30]% 7
                     (
               <:[:90]% 9
                -[:30]% 10
                         (
               -[:330,,,1]NH_2% 12
                         )
                =[:90]O% 11
                     )
           -[:330]% 8
                     (
               =[:270]O% 15
                     )
            -[:30]\mcfabove{N}{H}% 13
           -[:330]% 14
                     (
              <:[:270]% 16
               -[:330]% 19
                         (
                   =[:270]O% 21
                         )
            -[:30,,,1]OH% 20
                     )
            -[:30]% 17
                     (
                =[:90]O% 22
                     )
           -[:330]\mcfbelow{N}{H}% 18
            -[:30]% 23
           <:[:90]% 24
                     (
               =[:150]O% 26
                     )
        -[:30,,,1]NH% 25
         -[:90,,1]% 27
            -[:30]% 28
                     (
                =[:90]O% 29
                     )
           -[:330]\mcfbelow{N}{H}% 30
            -[:30]% 31
                     (
                -[:90]% 33
                -[:30]% 34
                -[:90]% 35
            -[:30,,,1]NH_2% 36
                     )
           -[:330]% 32
                     (
               =[:270]O% 37
                     )
            -[:30]\mcfabove{N}{H}% 38
           -[:330]% 39
                     (
              <:[:270]% 43
               -[:330]% 44
                         (
                -[:30,,,1]OH% 46
                         )
               =[:270]O% 45
                     )
            -[:30]% 40
                     (
                =[:90]O% 42
                     )
           -[:330]\mcfbelow{N}{H}% 41
            -[:30]% 47
                     (
               <:[:90]% 49
                     )
           -[:330]% 48
                     (
                =[:30]O% 51
                     )
       -[:270,,,2]HN% 50
        -[:330,,2]% 52
                     (
                <[:30]% 54
               -[:330]% 55
                         (
               -[:270,,,1]OH% 57
                         )
                =[:30]O% 56
                     )
           -[:270]% 53
                     (
               =[:330]O% 58
                     )
       -[:210,,,2]HN% 59
        -[:270,,2]% 60
           -[:210]% 61
                     (
               =[:270]O% 62
                     )
           -[:150]\mcfabove{N}{H}% 63
           -[:210]% 64
                     (
              <:[:270]% 104
           -[:330,,,1]OH% 105
                     )
     -[:180,1.732]% 91
                     (
       -[:150,,,,dlhs]O% 92
                     )
       -[:270,,,1]NH% 90
        -[:210,,1]% 82
                     (
               <[:270]% 84
                         (
                   -[:330]% 86
                   -[:270]% 87
                             (
                   -[:210,,,2]HO% 89
                             )
                   =[:330]O% 88
                         )
               -[:210]% 85
                     )
           -[:150]% 81
                     (
                =[:90]O% 83
                     )
           -[:210]\mcfbelow{N}{H}% 71
           -[:150]% 69
                     (
                -[:90]% 68
                         (
                    =[:30]O% 70
                         )
               -[:150]O% 67
                -[:90]% 65
                         (
                    <[:30]% 66
                         )
               -[:150]% -> 23
                     )
           <[:210]% 72
           -[:270]% 73
                     (
               =[:330]O% 75
                     )
           -[:210]% 74
    -[:270,,,,drh]% 80
                     (
           -[:330,,,1]NH_2% 106
                     )
           -[:210]% 79
    -[:150,,,,drh]% 78
            -[:90]% 77
     -[:30,,,,drh]% 76
                     (
               -[:330]% -> 74
                     )
}

.
