ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C36H32N2O4/c1-39-25-17-19-13-15-37-33-27(19)31(35(25)41-3)23-11-7-5-9-21(23)29(33)30-22-10-6-8-12-24(22)32-28-20(14-16-38-34(28)30)18-26(40-2)36(32)42-4/h5-12,17-18,37-38H,13-16H2,1-4H3/file?format=sdf&get3d=True  -- InChI=1S/C36H32N2O4/c1-39-25-17-19-13-15-37-33-27(19)31(35(25)41-3)23-11-7-5-9-21(23)29(33)30-22-10-6-8-12-24(22)32-28-20(14-16-38-34(28)30)18-26(40-2)36(32)42-4/h5-12,17-18,37-38H,13-16H2,1-4H3 could not be loaded.