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: C(=NNC1=NCCN1)c1ccc(-c2cn3cc(C=NNC4=NCCN4)ccc3n2)cc1
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#}
N-[[4-[6-[(4,5-dihydro-1H-imidazol-2-ylhydrazinylidene)methyl]imidazo[1,2-a]pyridin-2-yl]phenyl]methylideneamino]-4,5-dihydro-1H-imidazol-2-amine