ERROR opening https://cactus.nci.nih.gov/chemical/structure/OCC%28%3DO%29C1%28O%29CCC2C3CCC4%3DCC%28%3DO%29C%3DCC4%28C%29C3C%28%3DO%29CC12C/file?format=sdf&get3d=True  -- OCC%28%3DO%29C1%28O%29CCC2C3CCC4%3DCC%28%3DO%29C%3DCC4%28C%29C3C%28%3DO%29CC12C could not be loaded.