The SMILES NCc1ccc(-c2ccc(-c3ccc(-c4ccc(CN)s4)s3)s2)s1 represents a molecule that exhibits no activity against HIV.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.