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 toxic fumes of nitrogen oxides and hydrogen chloride/
user
O=CNC(N1CCN(C(NC=O)C(Cl)(Cl)Cl)CC1)C(Cl)(Cl)Cl
assistant