ERROR opening https://cactus.nci.nih.gov/chemical/structure/Cl-C1%3DCC%3DC%28OCC%28%3DO%29O%29C%28C%29%3DC1/file?format=sdf&get3d=True  -- Cl-C1%3DCC%3DC%28OCC%28%3DO%29O%29C%28C%29%3DC1 could not be loaded.