You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? When heated to decomposition it emits very toxic fumes of hydrogen chloride, ammonia, & nitrogen oxides. The molecule has Odorless pure/.
user
CNC.O=C(O)COc1ccc(Cl)cc1Cl
assistant