ERROR opening https://cactus.nci.nih.gov/chemical/structure/O%5BC%40%40H%5D%28C%28CO%29O%5BC%40H%5D%28O%29%5BC%40H%5D1NC%28C%29%3DO%29%5BC%40H%5D1O/file?format=sdf&get3d=True  -- O%5BC%40%40H%5D%28C%28CO%29O%5BC%40H%5D%28O%29%5BC%40H%5D1NC%28C%29%3DO%29%5BC%40H%5D1O could not be loaded.