ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C40H46N4O2/c1-43-15-13-39-31-7-3-5-9-33(31)41-22-30-28-20-36-40(14-16-44(36,2)24-26(28)12-18-46)32-8-4-6-10-34(32)42(38(30)40)21-29(37(39)41)27(19-35(39)43)25(23-43)11-17-45/h3-12,21-22,27-28,35-38,45-46H,13-20,23-24H2,1-2H3/q 2/b25-11-,26-12-,29-21-,30-22-/t27-,28-,35-,36-,37-,38-,39 ,40 ,43-,44-/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C40H46N4O2/c1-43-15-13-39-31-7-3-5-9-33(31)41-22-30-28-20-36-40(14-16-44(36,2)24-26(28)12-18-46)32-8-4-6-10-34(32)42(38(30)40)21-29(37(39)41)27(19-35(39)43)25(23-43)11-17-45/h3-12,21-22,27-28,35-38,45-46H,13-20,23-24H2,1-2H3/q 2/b25-11-,26-12-,29-21-,30-22-/t27-,28-,35-,36-,37-,38-,39 ,40 ,43-,44-/m0/s1 could not be loaded.