ERROR opening https://cactus.nci.nih.gov/chemical/structure/CC%28C%28C%29%28C%29C%29OP%28%26%2361%3BO%29%28C%29F/file?format=sdf&get3d=True -- CC%28C%28C%29%28C%29C%29OP%28%26%2361%3BO%29%28C%29F could not be loaded.