ERROR opening https://cactus.nci.nih.gov/chemical/structure/FC1%3DC%28CN2C%3DCC%3DC2C%28O%29CN%28C%28CC%29C%29C%28C%29CC%29C%3DCC%3DC1/file?format=sdf&get3d=True  -- FC1%3DC%28CN2C%3DCC%3DC2C%28O%29CN%28C%28CC%29C%29C%28C%29CC%29C%3DCC%3DC1 could not be loaded.