ERROR opening https://cactus.nci.nih.gov/chemical/structure/CC1CC%28C%28C%28C%3DC%28C%28C%28C%3DCC%3DC%28C%28%3DO%29NC2%3DC%28C%28%3DCC%28%3DC2%29O%29C1OC%29O%29C%29C%29OC%28%3DO%29N%29C%29C%29OC%29OC/file?format=sdf&get3d=True -- CC1CC%28C%28C%28C%3DC%28C%28C%28C%3DCC%3DC%28C%28%3DO%29NC2%3DC%28C%28%3DCC%28%3DC2%29O%29C1OC%29O%29C%29C%29OC%28%3DO%29N%29C%29C%29OC%29OC could not be loaded.