ERROR opening https://cactus.nci.nih.gov/chemical/structure/C%5BC%40%40H%5D1CC%28%3DO%29C2%3DC%28C3%3DC%28C%3DCC%28%3DC3O%29C4%3DC5C%28%3DC%28C%3DC4%29O%29C%28%3DC6C%28%3DO%29C%5BC%40H%5D%28%5BC%40H%5D%28%5BC%40%5D6%28O5%29COC%28%3DO%29C%29OC%28%3DO%29C%29C%29O%29O%5BC%40%40%5D2%28%5BC%40%40H%5D1OC%28%3DO%29C%29COC%28%3DO%29C%29O/file?format=sdf&get3d=True  -- C%5BC%40%40H%5D1CC%28%3DO%29C2%3DC%28C3%3DC%28C%3DCC%28%3DC3O%29C4%3DC5C%28%3DC%28C%3DC4%29O%29C%28%3DC6C%28%3DO%29C%5BC%40H%5D%28%5BC%40H%5D%28%5BC%40%5D6%28O5%29COC%28%3DO%29C%29OC%28%3DO%29C%29C%29O%29O%5BC%40%40%5D2%28%5BC%40%40H%5D1OC%28%3DO%29C%29COC%28%3DO%29C%29O could not be loaded.