Using O=C1CCc2ccc(OCc3ccccc3)cc21, COC(=O)C[Si](C)(C)C to produce COC(=O)/C=C1\CCc2ccc(OCc3ccccc3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.