ERROR opening https://cactus.nci.nih.gov/chemical/structure/Fc1ccc%28cc1F%29C%28%3DO%29NC3CCC%28CC3%29Nc%28nc4N%28C%29C%29nc2ccccc24/file?format=sdf&get3d=True  -- Fc1ccc%28cc1F%29C%28%3DO%29NC3CCC%28CC3%29Nc%28nc4N%28C%29C%29nc2ccccc24 could not be loaded.