The SMILES CC1=C2C3=C(C)C(=O)C(C)(C)CCC3(C)C2(C)CCC(C)(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}.