The molecule with the SMILES representation of C[Si](C)(C)c1ccc(CC2(Cc3ccc([Si](C)(C)C)cc3)CCNC2)cc1 displays no activity against the human immunodeficiency virus.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.