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 taste. Hazardous decomposition products formed under fire conditions - carbon oxides, nitrogen oxides (nox). Use the above information to create a molecule.
user
CCCCC(CC)CN1C(=O)C2C3C=CC(C3)C2C1=O
assistant