ERROR opening https://cactus.nci.nih.gov/chemical/structure/Clc2cc1N%28c3c%28Sc1cc2%29cccc3%29CCCN4CCN%28CCO%29CC4/file?format=sdf&get3d=True  -- Clc2cc1N%28c3c%28Sc1cc2%29cccc3%29CCCN4CCN%28CCO%29CC4 could not be loaded.