You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is both a surfactant and a signalling molecule. When heated to decomp it emits toxic fumes of nitrogen oxides. It belongs to the drug metabolite class of molecules. The molecule is a emulsifier, membrane stabilizer, energy storage, waste product, energy source. Please write the SMILES representation of it.
user
NC(=O)c1ccccc1
assistant