ERROR opening https://cactus.nci.nih.gov/chemical/structure/P%28c1ccccc1%29%28c2ccccc2%29CCP%28c3ccccc3%29c4ccccc4/file?format=sdf&get3d=True  -- P%28c1ccccc1%29%28c2ccccc2%29CCP%28c3ccccc3%29c4ccccc4 could not be loaded.