ERROR opening https://cactus.nci.nih.gov/chemical/structure/Oc2cc%28/C%3DC/c1ccc%28O%29cc1%29ccc2/file?format=sdf&get3d=True  -- Oc2cc%28/C%3DC/c1ccc%28O%29cc1%29ccc2 could not be loaded.