ERROR opening https://cactus.nci.nih.gov/chemical/structure/O%3DC%5C1c3c%28N%28/C%28C%28%3DO%29O%29%3DC/1%29CC%29c%28c2O/C%28%3DC%5CC%28%3DO%29c2c3%29C%28%3DO%29O%29CCC/file?format=sdf&get3d=True  -- O%3DC%5C1c3c%28N%28/C%28C%28%3DO%29O%29%3DC/1%29CC%29c%28c2O/C%28%3DC%5CC%28%3DO%29c2c3%29C%28%3DO%29O%29CCC could not be loaded.