ERROR opening https://cactus.nci.nih.gov/chemical/structure/CO%5BC%40H%5D1C%5BC%40H%5D%28C%29CC2%3DC%28NCCN%28C%29C%29C%28%3DO%29C%3DC%28%5CN%3DC%28/O%29%5CC%28%3DC%5CC%3DC/%5BC%40H%5D%28OC%29%5BC%40%40H%5D%28OC%28%3DN%29O%29%5CC%28%3DC%5C%5BC%40H%5D%28C%29%5BC%40H%5D1O%29%5CC%29%5CC%29C2%3DO/file?format=sdf&get3d=True  -- CO%5BC%40H%5D1C%5BC%40H%5D%28C%29CC2%3DC%28NCCN%28C%29C%29C%28%3DO%29C%3DC%28%5CN%3DC%28/O%29%5CC%28%3DC%5CC%3DC/%5BC%40H%5D%28OC%29%5BC%40%40H%5D%28OC%28%3DN%29O%29%5CC%28%3DC%5C%5BC%40H%5D%28C%29%5BC%40H%5D1O%29%5CC%29%5CC%29C2%3DO could not be loaded.