Using Nc1ccncc1, CC(C)(C)OC(=O)NCc1ccc(C(=O)O)cc1Br to produce CC(C)(C)OC(=O)NCc1ccc(C(=O)Nc2ccncc2)cc1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.