User: I'm searching for the SMILES of a molecule that is not active against HIV?
Assistant: This is a molecule that is not active against HIV: COC1=C(C2=NC(C)(C)CO2)c2ccccc2C(CC=C[Si](C)(C)C)C1
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#}