ERROR opening https://cactus.nci.nih.gov/chemical/structure/Cl.N1%5BC%40%40H%5D%28CCCCCCCCCCC%29CCC%5BC%40%40H%5D1C/file?format=sdf&get3d=True  -- Cl.N1%5BC%40%40H%5D%28CCCCCCCCCCC%29CCC%5BC%40%40H%5D1C could not be loaded.