ERROR opening https://cactus.nci.nih.gov/chemical/structure/N%23Cc1ccc3c%28c1%29N%28c2ccccc2CC3%29CCCN%28C%29C/file?format=sdf&get3d=True  -- N%23Cc1ccc3c%28c1%29N%28c2ccccc2CC3%29CCCN%28C%29C could not be loaded.