Using COC(=O)c1cc(Br)cc(NC(=O)[C@@H]2C[C@@H](F)CN2C(=O)OC(C)(C)C)c1 to produce CC(C)(C)OC(=O)N1C[C@H](F)C[C@H]1C(=O)Nc1cc(Br)cc(C(=O)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.