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: ClC1=C(Cl)C(Cl)(Cl)c2c3c(c4c(c21)C(Cl)(Cl)C(Cl)=C4Cl)C(Cl)(Cl)C(Cl)=C3Cl
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#}