ERROR opening https://cactus.nci.nih.gov/chemical/structure/%5BLi%5DC%28%5BLi%5D%29%28%5BLi%5D%29%5BLi%5D/file?format=sdf&get3d=True -- %5BLi%5DC%28%5BLi%5D%29%28%5BLi%5D%29%5BLi%5D could not be loaded.