ERROR opening https://cactus.nci.nih.gov/chemical/structure/C%26%2391%3BGa%26%2393%3BC.C%26%2391%3BGa%26%2393%3BC/file?format=sdf&get3d=True  -- C%26%2391%3BGa%26%2393%3BC.C%26%2391%3BGa%26%2393%3BC could not be loaded.