Using CC(NC(=O)OC(C)(C)C)C(=O)NCC1(C)CCN(Cc2ccccc2)C1 to produce CC(NC(=O)OC(C)(C)C)C(=O)NCC1(C)CCNC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.