Using CC(C)NC(C)C, CC(C)(C)OC(=O)C1CCN(Cc2ccccc2)CC1 to produce CC(C)(C)OC(=O)C1(C)CCN(Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.