The SMILES C[Si](C)(C)OC=C1CCOC1=O is from a molecule that exhibits 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}.
[C][Si][Branch1][C][C][Branch1][C][C][O][C][=C][C][C][O][C][Ring1][Branch1][=O]