You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule has Bitter. When heated to decomposition it emits toxic fumes of nitroxides. The molecule has Odorless. Use the above information to create a molecule.
user
O=C1CN(N=Cc2ccc([N+](=O)[O-])o2)C(=O)N1
assistant