ERROR opening https://cactus.nci.nih.gov/chemical/structure/Clc1ccc%28cc1%29C2C%28C%28%3DO%29OC%28C%29C2%29c3ccccc3/file?format=sdf&get3d=True  -- Clc1ccc%28cc1%29C2C%28C%28%3DO%29OC%28C%29C2%29c3ccccc3 could not be loaded.