ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C28H24N2O4/c1-18(2)23(30-26(31)22-27(30)34-25(29-22)21-16-10-5-11-17-21)28(32)33-24(19-12-6-3-7-13-19)20-14-8-4-9-15-20/h3-17,22-24,27H,1H2,2H3/t22-,23 ,27-/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C28H24N2O4/c1-18(2)23(30-26(31)22-27(30)34-25(29-22)21-16-10-5-11-17-21)28(32)33-24(19-12-6-3-7-13-19)20-14-8-4-9-15-20/h3-17,22-24,27H,1H2,2H3/t22-,23 ,27-/m0/s1 could not be loaded.