The SMILES CCCn1c2ccccc2c2ccc3c(c21)C(=O)C=CC3=O represents a molecule that shows 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][C][C][N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=Branch1][=Branch1][=C][Ring1][=Branch1][Ring1][=N][C][=Branch1][C][=O][C][=C][C][Ring1][Branch2][=O]