User: I'm searching 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: CN1CC(=Cc2ccc(Cl)cc2)C2=C(C1)C(c1ccc(Cl)cc1)NC(=S)N2.Cl
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-(4-chlorophenyl)-8-[(4-chlorophenyl)methylidene]-6-methyl-3,4,5,7-tetrahydro-1H-pyrido[4,3-d]pyrimidine-2-thione;hydrochloride