Using COC(=O)c1cc(OCc2ccccc2)cc(-c2nnnn2COCC[Si](C)(C)C)c1 to produce COC(=O)c1cc(O)cc(-c2nnnn2COCC[Si](C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.