You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: When heated to decomp it emits very tox fumes of hydrogen chloride and nitrogen oxides.
user
O=C1c2cccc([N+](=O)[O-])c2C(=O)c2cccc(Cl)c21
assistant