ERROR opening https://cactus.nci.nih.gov/chemical/structure/Fc1cc2c%28cc1%29%5BnH%5Dcc2CC%28N%29C/file?format=sdf&get3d=True  -- Fc1cc2c%28cc1%29%5BnH%5Dcc2CC%28N%29C could not be loaded.