Using COC(=O)C(C)Br, CC(C)C[C@H](N)C(=O)OCc1ccccc1 to produce COC(=O)[C@@H](C)N[C@@H](CC(C)C)C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.