The SMILES O=c1oc2ccccc2c2nc3ccccc3cc12 is from a molecule that exhibits no activity against the human immunodeficiency virus.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.
chromeno[4,3-b]quinolin-6-one