ERROR opening https://cactus.nci.nih.gov/chemical/structure/CN3%5BC%40%40H%5D1CCC3C%5BC%40%40H%5D%28%5BC%40%40H%5D1C%28%3DO%29OC%28C%29C%29c2ccc%28I%29cc2/file?format=sdf&get3d=True -- CN3%5BC%40%40H%5D1CCC3C%5BC%40%40H%5D%28%5BC%40%40H%5D1C%28%3DO%29OC%28C%29C%29c2ccc%28I%29cc2 could not be loaded.