ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C18H18Cl2N4O2S/c1-11(17(25)23-16-13(20)9-12(19)10-21-16)27-18-22-14-5-3-4-6-15(14)24(18)7-8-26-2/h3-6,9-11H,7-8H2,1-2H3,(H,21,23,25)/file?format=sdf&get3d=True  -- InChI=1S/C18H18Cl2N4O2S/c1-11(17(25)23-16-13(20)9-12(19)10-21-16)27-18-22-14-5-3-4-6-15(14)24(18)7-8-26-2/h3-6,9-11H,7-8H2,1-2H3,(H,21,23,25) could not be loaded.