The molecule with the SMILES CC(C)[Si](OCCC=CC1CCC(=O)C1C(O)C1CCCCC1)(C(C)C)C(C)C shows no activity against HIV.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.