The SMILES CC(=O)OC1O[Si](C(C)(C)C)(C(C)(C)C)C(C)C1C represents 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}.