ERROR opening https://cactus.nci.nih.gov/chemical/structure/Fc3cccc%28F%29c3C2%3DNCC%28%3DO%29N%28C%29c1ccc%28Cl%29cc12/file?format=sdf&get3d=True  -- Fc3cccc%28F%29c3C2%3DNCC%28%3DO%29N%28C%29c1ccc%28Cl%29cc12 could not be loaded.