Using CNC1CCN(C(=O)OC(C)(C)C)CC1, O=C(Cl)OCc1ccccc1 to produce CN(C(=O)OCc1ccccc1)C1CCN(C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.