ERROR opening https://cactus.nci.nih.gov/chemical/structure/C%5BC%40%40H%5D1C%28%5BC%40%40H%5D%28C%5BC%40%40H%5D%28O1%29OC2CCC3%28C4CCC5%28C%28CC%5BC%40%5D5%28C4CCC3%28C2%29O%29O%29C6%3DCC%0A%28%3DO%29OC6%29C%29C%3DO%29OC%29O%5BC%40H%5D7C%5BC%40H%5D%28%5BC%40%40H%5D%28%5BC%40H%5D%28%5BC%40%40H%5D7O%29O%29O%29CO/file?format=sdf&get3d=True -- C%5BC%40%40H%5D1C%28%5BC%40%40H%5D%28C%5BC%40%40H%5D%28O1%29OC2CCC3%28C4CCC5%28C%28CC%5BC%40%5D5%28C4CCC3%28C2%29O%29O%29C6%3DCC%0A%28%3DO%29OC6%29C%29C%3DO%29OC%29O%5BC%40H%5D7C%5BC%40H%5D%28%5BC%40%40H%5D%28%5BC%40H%5D%28%5BC%40%40H%5D7O%29O%29O%29CO could not be loaded.