The SMILES Cn1c(=O)c2nc3c(=O)n(C)c(=O)n(C)c3nc2n(C)c1=O is from a molecule that exhibits 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}.
[C][N][C][=Branch1][C][=O][C][=N][C][C][=Branch1][C][=O][N][Branch1][C][C][C][=Branch1][C][=O][N][Branch1][C][C][C][=Ring1][#Branch2][N][=C][Ring1][=C][N][Branch1][C][C][C][Ring2][Ring1][Ring2][=O]