Using COC(=O)[C@@H](N)Cc1ccc(Br)cc1, Nc1ccc(C(=O)O)cc1 to produce COC(=O)[C@H](Cc1ccc(Br)cc1)NC(=O)c1ccc(N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.