ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C23H20N4O3S/c1-30-21-14-12-18(13-15-21)23-19(17-27(25-23)20-8-4-2-5-9-20)16-24-26-31(28,29)22-10-6-3-7-11-22/h2-17,26H,1H3/file?format=sdf&get3d=True  -- InChI=1S/C23H20N4O3S/c1-30-21-14-12-18(13-15-21)23-19(17-27(25-23)20-8-4-2-5-9-20)16-24-26-31(28,29)22-10-6-3-7-11-22/h2-17,26H,1H3 could not be loaded.