ERROR opening https://cactus.nci.nih.gov/chemical/structure/CN1C%26%2361%3BCC%28%26%2361%3BC%28C1%26%2361%3BO%29C%23N%29OC/file?format=sdf&get3d=True  -- CN1C%26%2361%3BCC%28%26%2361%3BC%28C1%26%2361%3BO%29C%23N%29OC could not be loaded.