ERROR opening https://cactus.nci.nih.gov/chemical/structure/Clc4ccc%28cc4%29OCC%28%3DO%29OCCNC12CC3CC%28C1%29CC%28C2%29C3/file?format=sdf&get3d=True  -- Clc4ccc%28cc4%29OCC%28%3DO%29OCCNC12CC3CC%28C1%29CC%28C2%29C3 could not be loaded.