ERROR opening https://cactus.nci.nih.gov/chemical/structure/C%5BC%40%40H%5D%28C%28%3DO%29%5BC%40%5D1%28CC%5BC%40%40H%5D2%5BC%40%40%5D1%28C%5BC%40%40H%5D%28%5BC%40%5D3%28%5BC%40H%5D2CCC4%3DCC%28%3DO%29C%3DC%5BC%40%40%5D43C%29F%29O%29C%29O%29OC%28%3DO%29C/file?format=sdf&get3d=True  -- C%5BC%40%40H%5D%28C%28%3DO%29%5BC%40%5D1%28CC%5BC%40%40H%5D2%5BC%40%40%5D1%28C%5BC%40%40H%5D%28%5BC%40%5D3%28%5BC%40H%5D2CCC4%3DCC%28%3DO%29C%3DC%5BC%40%40%5D43C%29F%29O%29C%29O%29OC%28%3DO%29C could not be loaded.