ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C33H25N5O11S3.Cu/c1-18-12-27(28(39)17-26(18)36-35-22-15-25-24(30(16-22)51(44,45)46)8-5-9-29(25)50(41,42)43)37-38-32-31(52(47,48)49)14-19-13-21(10-11-23(19)33(32)40)34-20-6-3-2-4-7-20;/h2-17,34,39-40H,1H3,(H,41,42,43)(H,44,45,46)(H,47,48,49);/q;+2/p-5/b36-35?,38-37+;/file?format=sdf&get3d=True  -- InChI=1S/C33H25N5O11S3.Cu/c1-18-12-27(28(39)17-26(18)36-35-22-15-25-24(30(16-22)51(44,45)46)8-5-9-29(25)50(41,42)43)37-38-32-31(52(47,48)49)14-19-13-21(10-11-23(19)33(32)40)34-20-6-3-2-4-7-20;/h2-17,34,39-40H,1H3,(H,41,42,43)(H,44,45,46)(H,47,48,49);/q;+2/p-5/b36-35?,38-37+; could not be loaded.