ERROR opening https://cactus.nci.nih.gov/chemical/structure/C1CC%28C1%29N%28C2CCC2%29%5BC%40%40H%5D3CC4%3DC%28C%3DCC%28%3DC4OC3%29F%29C%28%3DO%29N/file?format=sdf&get3d=True -- C1CC%28C1%29N%28C2CCC2%29%5BC%40%40H%5D3CC4%3DC%28C%3DCC%28%3DC4OC3%29F%29C%28%3DO%29N could not be loaded.