ERROR opening https://cactus.nci.nih.gov/chemical/structure/N%23Cc4cc%28F%29ccc4-c1cc%28ccc1F%29-c2cnc3n2ccc%28C%28C%29%28O%29C%29c3F/file?format=sdf&get3d=True  -- N%23Cc4cc%28F%29ccc4-c1cc%28ccc1F%29-c2cnc3n2ccc%28C%28C%29%28O%29C%29c3F could not be loaded.