ERROR opening https://cactus.nci.nih.gov/chemical/structure/CN1CCC%28C1%29OC%28c2ccccc2%29c3ccc%28cc3%29Cl/file?format=sdf&get3d=True  -- CN1CCC%28C1%29OC%28c2ccccc2%29c3ccc%28cc3%29Cl could not be loaded.