ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C5H7Cl/c1-4-5(2,3)6/h1H,2-3H3/file?format=sdf&get3d=True  -- InChI=1S/C5H7Cl/c1-4-5(2,3)6/h1H,2-3H3 could not be loaded.