Using CC(C)(C)OC(=O)NCC(=O)O, CCN(CC)c1ccc(NC(=O)C2(N)CCc3ccccc3C2)cc1 to produce CCN(CC)c1ccc(NC(=O)C2(NC(=O)CN)CCc3ccccc3C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.