The SMILES Nc1ccc(S2(c3ccc(N)cc3)C=C(c3ccccc3)C(c3ccccc3)=C2)cc1 represents a molecule that shows 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}.