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: Hazardous decomposition products formed under fire conditions - carbon oxides, nitrogen oxides (nox), hydrogen chloride gas. naltrexone hydrochloride/ Please write the SMILES representation of it.
user
O=C1CCC2(O)C3Cc4ccc(O)c5c4C2(CCN3CC2CC2)C1O5
assistant