ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C55H32O33/c56-13-1-8(2-14(57)31(13)62)49(75)83-19-7-82-50(76)9-3-15(58)32(63)36(67)20(9)21-10(4-16(59)33(64)37(21)68)51(77)84-44(19)48-47-28(26-30-27-23-12(53(79)85-46(27)43(74)41(26)72)6-18(61)35(66)45(23)86-55(30)81)25-29(54(80)87-47)24(39(70)42(73)40(25)71)22-11(52(78)88-48)5-17(60)34(65)38(22)69/h1-6,19,28,44,47-48,56-74H,7H2/t19-,28-,44-,47+,48+/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C55H32O33/c56-13-1-8(2-14(57)31(13)62)49(75)83-19-7-82-50(76)9-3-15(58)32(63)36(67)20(9)21-10(4-16(59)33(64)37(21)68)51(77)84-44(19)48-47-28(26-30-27-23-12(53(79)85-46(27)43(74)41(26)72)6-18(61)35(66)45(23)86-55(30)81)25-29(54(80)87-47)24(39(70)42(73)40(25)71)22-11(52(78)88-48)5-17(60)34(65)38(22)69/h1-6,19,28,44,47-48,56-74H,7H2/t19-,28-,44-,47+,48+/m1/s1 could not be loaded.