Using CC(C)(C)OC(=O)Nc1cccnc1, O=C1CCN(C(=O)OCc2ccccc2)C1 to produce CC(C)(C)OC(=O)Nc1cnccc1C1(O)CCN(C(=O)OCc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.