Using CC(C)[C@@H](N)C(=O)OC(C)(C)C, O=C(O)COc1ccc([C@@H]2[C@@H](SCC(=O)c3ccc(F)cc3)C(=O)N2c2ccc(F)cc2)cc1 to produce CC(C)[C@@H](NC(=O)COc1ccc([C@@H]2[C@@H](SCC(=O)c3ccc(F)cc3)C(=O)N2c2ccc(F)cc2)cc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.