The SMILES Cn1c(-c2csc(-c3ccc(Cl)cc3)n2)n[nH]c1=S is from 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}.