The SMILES CC(=O)n1c(=S)n(C(C)=O)c2ccccc21 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}.
1-(3-acetyl-2-sulfanylidenebenzimidazol-1-yl)ethanone