Using C[Si](C)(C)[N-][Si](C)(C)C, COC(=O)C1CCN(C(=O)OCc2ccccc2)C1 to produce COC(=O)C1(C)CCN(C(=O)OCc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.