You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule has ... ammonia or fish-like odor .... Products of decomposition include carbon monoxide, carbon dioxide, hydrocarbons, and toxic oxides of nitrogen as well as toxic amine vapors. Please represent the molecule in SMILES.
user
CNC
assistant