Using CC(=O)OC(C)Br, CC(C)C[C@@H]1C(=O)N[C@H](C2Cc3ccccc3C2)C(=O)N1[C@@H](C(=O)O)c1ccc(F)cc1F to produce CC(=O)OC(C)OC(=O)[C@@H](c1ccc(F)cc1F)N1C(=O)[C@@H](C2Cc3ccccc3C2)NC(=O)[C@H]1CC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.