ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C49H72N14O18/c50-14-3-1-7-28(55-48(78)33(24-65)59-49(79)34-13-16-51-42-36(63-40(71)11-12-41(63)72)19-27-20-37(68)38(69)21-35(27)62(34)42)43(73)53-22-39(70)54-29(9-5-17-60(80)25-66)45(75)56-30-8-2-4-15-52-44(74)32(23-64)58-47(77)31(57-46(30)76)10-6-18-61(81)26-67/h19-21,25-26,28-35,51,64-65,68-69,80-81H,1-18,22-24,50H2,(H,52,74)(H,53,73)(H,54,70)(H,55,78)(H,56,75)(H,57,76)(H,58,77)(H,59,79)/file?format=sdf&get3d=True  -- InChI=1S/C49H72N14O18/c50-14-3-1-7-28(55-48(78)33(24-65)59-49(79)34-13-16-51-42-36(63-40(71)11-12-41(63)72)19-27-20-37(68)38(69)21-35(27)62(34)42)43(73)53-22-39(70)54-29(9-5-17-60(80)25-66)45(75)56-30-8-2-4-15-52-44(74)32(23-64)58-47(77)31(57-46(30)76)10-6-18-61(81)26-67/h19-21,25-26,28-35,51,64-65,68-69,80-81H,1-18,22-24,50H2,(H,52,74)(H,53,73)(H,54,70)(H,55,78)(H,56,75)(H,57,76)(H,58,77)(H,59,79) could not be loaded.