User: I'm looking for the SMILES of a molecule that is not active against HIV?
Assistant: This is a molecule that is not active against HIV: S=C1C(=Nc2ccccc2)N(C2CCCCC2)C(=NC2CCCCC2)N1c1ccccc1
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that is {activity_HIV#not &NULL}{activity_HIV__names__adjective}?
Assistant: This is a molecule that is {activity_HIV#not &NULL}{activity_HIV__names__adjective}: {SMILES#}
1-cyclohexyl-2-cyclohexylimino-3-phenyl-5-phenyliminoimidazolidine-4-thione