ERROR opening https://cactus.nci.nih.gov/chemical/structure/CN1CCC%26%2361%3BC%28C1%29C%28%26%2361%3BO%29OC/file?format=sdf&get3d=True  -- CN1CCC%26%2361%3BC%28C1%29C%28%26%2361%3BO%29OC could not be loaded.