ERROR opening https://cactus.nci.nih.gov/chemical/structure/Brc1ccc%28cc1%29C%28OCCN%28C%29C%29c2ccccc2/file?format=sdf&get3d=True  -- Brc1ccc%28cc1%29C%28OCCN%28C%29C%29c2ccccc2 could not be loaded.