ERROR opening https://cactus.nci.nih.gov/chemical/structure/c2cc%28O%29ccc2%5CC%3DC%5CC%28%3DN%5COCCN%28C%29C%29%5Cc1ccccc1F/file?format=sdf&get3d=True  -- c2cc%28O%29ccc2%5CC%3DC%5CC%28%3DN%5COCCN%28C%29C%29%5Cc1ccccc1F could not be loaded.