User: I'm looking for the SMILES of a molecule that is not Ames mutagenic?
Assistant: This is a molecule that is not Ames mutagenic: COC(=O)C1=C(C)NC(C)=C(C(=O)OCC=Cc2ccccc2)C1c1cccc([N+](=O)[O-])c1
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that is {mutagenic#not &NULL}{mutagenic__names__adjective}?
Assistant: This is a molecule that is {mutagenic#not &NULL}{mutagenic__names__adjective}: {SMILES#}