ERROR opening https://cactus.nci.nih.gov/chemical/structure/CC1%26%2361%3BC%28SCCO1%29C%28%26%2361%3BO%29NC2%26%2361%3BCC%26%2361%3BCC%26%2361%3BC2/file?format=sdf&get3d=True -- CC1%26%2361%3BC%28SCCO1%29C%28%26%2361%3BO%29NC2%26%2361%3BCC%26%2361%3BCC%26%2361%3BC2 could not be loaded.