ERROR opening https://cactus.nci.nih.gov/chemical/structure/Clc2cc1C%28/OCCN%28C%29C%29%3DC%5Cc3c%28Sc1cc2%29cccc3/file?format=sdf&get3d=True -- Clc2cc1C%28/OCCN%28C%29C%29%3DC%5Cc3c%28Sc1cc2%29cccc3 could not be loaded.