The SMILES Cn1c(=O)c2c(ncn2Cc2ccc(O)c([N+](=O)[O-])c2)n(C)c1=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}.