ERROR opening https://cactus.nci.nih.gov/chemical/structure/CC%28C%29CC%28%3DO%29O%5BC%40H%5D1CC%5BC%40H%5D2%5BC%40%40H%5D3CCC4%3DCC%28%3DO%29CC%5BC%40%5D4%28C%29%5BC%40H%5D3CC%5BC%40%5D12C/file?format=sdf&get3d=True  -- CC%28C%29CC%28%3DO%29O%5BC%40H%5D1CC%5BC%40H%5D2%5BC%40%40H%5D3CCC4%3DCC%28%3DO%29CC%5BC%40%5D4%28C%29%5BC%40H%5D3CC%5BC%40%5D12C could not be loaded.