You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule has ...odor typical of a phosphate ester.. When heated to decomposition it emits toxic fumes of hydrogen chloride and phosphorus oxides.
user
COP(=O)(OC)OC1=C(Cl)C2C=CCC12
assistant