The SMILES Cc1c(Cc2ccc(Cl)cc2)c(=O)[nH]c(=O)n1C is from 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}.