The SMILES C1=CC2=CC=CC3c4nc5ccc6ccccc6c5nc4C(=C1)C23 represents a molecule that shows 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}.