ERROR opening https://cactus.nci.nih.gov/chemical/structure/CC1%26%2361%3BCC%28%26%2361%3BC2C3%26%2361%3BC1C4%26%2361%3BC5C%28%26%2361%3BC%28C%26%2361%3BC4C%29O%29C%28%26%2361%3BO%29C6%26%2361%3BC%28C%26%2361%3BC%28C7%26%2361%3BC6C5%26%2361%3BC3C8%26%2361%3BC7C%28%26%2361%3BCC%28%26%2361%3BC8C2%26%2361%3BO%29O%29O%29O%29O%29O/file?format=sdf&get3d=True -- CC1%26%2361%3BCC%28%26%2361%3BC2C3%26%2361%3BC1C4%26%2361%3BC5C%28%26%2361%3BC%28C%26%2361%3BC4C%29O%29C%28%26%2361%3BO%29C6%26%2361%3BC%28C%26%2361%3BC%28C7%26%2361%3BC6C5%26%2361%3BC3C8%26%2361%3BC7C%28%26%2361%3BCC%28%26%2361%3BC8C2%26%2361%3BO%29O%29O%29O%29O%29O could not be loaded.