Using CC(C)(C)OC(=O)CN=C(c1ccccc1)c1ccccc1, CC(C)(C)OC(=O)Nc1ccc(CBr)cn1 to produce CC(C)(C)OC(=O)Nc1ccc(CC(N)C(=O)OC(C)(C)C)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.