Using COc1cc(C(=O)OCc2ccccc2)ccc1Br, CC(C)=CO[Si](C)(C)C to produce COc1cc(C(=O)OCc2ccccc2)ccc1C(C)(C)C=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.