Using CC1(C)Cc2ccc(OCc3ccccc3)cc2C1=O, COC(=O)C[Si](C)(C)C to produce COC(=O)/C=C1/c2cc(OCc3ccccc3)ccc2CC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.