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: O=C(O)CSc1nnc(S)c2[nH]cnc12
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#}
2-[(4-sulfanyl-3H-imidazo[4,5-d]pyridazin-7-yl)sulfanyl]ethanoicacid