\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 ) }