ERROR opening https://cactus.nci.nih.gov/chemical/structure/Cc1cc/2oc1%5BC%40H%5D%28%5BC%40%40H%5D%28CCC3%3DC%5BC%40H%5D%28C/C%28%3DC2%29/C%29OC3%3DO%29C%28%3DC%29C%29O/file?format=sdf&get3d=True -- Cc1cc/2oc1%5BC%40H%5D%28%5BC%40%40H%5D%28CCC3%3DC%5BC%40H%5D%28C/C%28%3DC2%29/C%29OC3%3DO%29C%28%3DC%29C%29O could not be loaded.