ERROR opening https://cactus.nci.nih.gov/chemical/structure/n2cc%28C%29ccc2CNCC%28F%29%28CC3%29CCN3C%28%3DO%29c%28cc1Cl%29ccc1F/file?format=sdf&get3d=True  -- n2cc%28C%29ccc2CNCC%28F%29%28CC3%29CCN3C%28%3DO%29c%28cc1Cl%29ccc1F could not be loaded.