ERROR opening https://cactus.nci.nih.gov/chemical/structure/CC%28C%29NC%5BC%40%40H%5D%28COc1cccc2c1c%28c%5BnH%5D2%29%5B125I%5D%29O/file?format=sdf&get3d=True  -- CC%28C%29NC%5BC%40%40H%5D%28COc1cccc2c1c%28c%5BnH%5D2%29%5B125I%5D%29O could not be loaded.