ERROR opening https://cactus.nci.nih.gov/chemical/structure/CC1%3DC%28C%3DCC%28%3DC1Cl%29C%23N%29N2C3CCC2CC%28C3%29%28C%29O/file?format=sdf&get3d=True  -- CC1%3DC%28C%3DCC%28%3DC1Cl%29C%23N%29N2C3CCC2CC%28C3%29%28C%29O could not be loaded.