Using CC(C)(C)OC(=O)CCNCc1ccc(C(C)(C)C)cc1, O=C(O)c1cccc2cc[nH]c12 to produce CC(C)(C)OC(=O)CCN(Cc1ccc(C(C)(C)C)cc1)C(=O)c1cccc2cc[nH]c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.