The SMILES Cn1c(=O)c2nc3c4ccccc4c(=O)n(C)c3nc2n(C)c1=O is from a molecule that displays no activity against the human immunodeficiency virus.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.