ERROR opening https://cactus.nci.nih.gov/chemical/structure/N1CC2%28CCN%28CCc3ccccc3%29CC2%29OC1%3DO.Cl/file?format=sdf&get3d=True  -- N1CC2%28CCN%28CCc3ccccc3%29CC2%29OC1%3DO.Cl could not be loaded.