User: I'm looking for the SMILES of a molecule that is not active against the human immunodeficiency virus?
Assistant: This is a molecule that is not active against the human immunodeficiency virus: CC(CN1CC(=O)NC(=O)C1)N1CC(=O)NC(=O)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#}
4-[2-(3,5-dioxopiperazin-1-yl)propyl]piperazine-2,6-dione