ERROR opening https://cactus.nci.nih.gov/chemical/structure/c1cc%28Cl%29ccc1C%28O%29C2%3DCc3ccccc3O2/file?format=sdf&get3d=True  -- c1cc%28Cl%29ccc1C%28O%29C2%3DCc3ccccc3O2 could not be loaded.