ERROR opening https://cactus.nci.nih.gov/chemical/structure/c1cc2c%28c%5BnH%5Dc2nc1%29CN3CCN%28CC3%29c4ccc%28cc4%29Cl/file?format=sdf&get3d=True  -- c1cc2c%28c%5BnH%5Dc2nc1%29CN3CCN%28CC3%29c4ccc%28cc4%29Cl could not be loaded.