Using CC(=O)NC[C@H]1COCCN1C(=O)OC(C)(C)C, c1ccc([SiH2]c2ccccc2)cc1 to produce CCN(CC)C[C@H]1COCCN1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.