ERROR opening https://cactus.nci.nih.gov/chemical/structure/CCN%28c1ccccc1%29C%28%3DO%29C%5C3%3DC%28/O%29c2c%28Cl%29cccc2N%28C%29C/3%3DO/file?format=sdf&get3d=True  -- CCN%28c1ccccc1%29C%28%3DO%29C%5C3%3DC%28/O%29c2c%28Cl%29cccc2N%28C%29C/3%3DO could not be loaded.