ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C5H6OS/c1-6-5-3-2-4-7-5/h2-4H,1H3/file?format=sdf&get3d=True  -- InChI=1S/C5H6OS/c1-6-5-3-2-4-7-5/h2-4H,1H3 could not be loaded.