The SMILES Cl.NC(=O)C(=CNc1nc(-c2ccc(Cl)c(Cl)c2)cs1)C(N)=O 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}.