The molecule with the SMILES representation of COC1=C(C2=NC(C)(C)CO2)c2ccccc2C(CC=C[Si](C)(C)C)C1 displays no activity against HIV.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.