ERROR opening https://cactus.nci.nih.gov/chemical/structure/CN%28C%29CCCN1c2ccccc2Sc3c1cc%28cc3%29Cl/file?format=sdf&get3d=True  -- CN%28C%29CCCN1c2ccccc2Sc3c1cc%28cc3%29Cl could not be loaded.