ERROR opening https://cactus.nci.nih.gov/chemical/structure/C1%5BC%40%40H%5D%28%5BC%40%40H%5D%28%5BC%40H%5D%28%5BC%40%40H%5D%28O1%29OC%5BC%40%40H%5D2%5BC%40H%5D%28%5BC%40%40H%5D%28%5BC%40H%5D%28%5BC%40H%5D%28O2%29OC%5CC%3DC%5CC3%3DCC%3DCC%3DC3%29O%29O%29O%29O%29O%29O/file?format=sdf&get3d=True -- C1%5BC%40%40H%5D%28%5BC%40%40H%5D%28%5BC%40H%5D%28%5BC%40%40H%5D%28O1%29OC%5BC%40%40H%5D2%5BC%40H%5D%28%5BC%40%40H%5D%28%5BC%40H%5D%28%5BC%40H%5D%28O2%29OC%5CC%3DC%5CC3%3DCC%3DCC%3DC3%29O%29O%29O%29O%29O%29O could not be loaded.