You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
When heated to decomposition it emits toxic fumes of nox. Use the above information to create a molecule.
user
O=C1NC(=O)C2C3C(C(O)(c4ccccc4)c4ccccn4)=CC(C3=C(c3ccccc3)c3ccccn3)C12
assistant