The SMILES Cn1c(=O)c2nc3sc4c(n3c2n(C)c1=O)C(=O)c1ccccc1C4=O represents a molecule that displays 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}.