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: COC(=O)C12C3C4(C(=O)OC)C1C1(C(=O)OC)C2C3(C(=O)OC)C41C(=O)N(C(C)C)C(C)C
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#}
tetramethyl 2-[di(propan-2-yl)carbamoyl]cubane-1,3,5,7-tetracarboxylate