ERROR opening https://cactus.nci.nih.gov/chemical/structure/CC1%3DC%28C%28%3DCC%28%3DC1OC%29OC%29OC%29C%23C%5BC%40%40%5D2%28%5BC%40%5D%28OC%28%3DO%29O2%29%28C%29C%23CC3%3DC%28C%28%3DC%28C%3DC3OC%29OC%29OC%29C%29C/file?format=sdf&get3d=True -- CC1%3DC%28C%28%3DCC%28%3DC1OC%29OC%29OC%29C%23C%5BC%40%40%5D2%28%5BC%40%5D%28OC%28%3DO%29O2%29%28C%29C%23CC3%3DC%28C%28%3DC%28C%3DC3OC%29OC%29OC%29C%29C could not be loaded.