Based on the SMILES representation C[Si](C)(C)C1=C([Si](C)(C)C)C(Cl)(Cl)C1=O, the molecule shows no activity against the human immunodeficiency virus.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.