Using CC(C)(C)C[C@@H]1N[C@@H](C(=O)O)[C@H](c2cccc(Cl)c2F)[C@]12C(=O)Nc1cc(Cl)ccc12, Nc1ccccc1 to produce CC(C)(C)C[C@@H]1N[C@@H](C(=O)Nc2ccccc2)[C@H](c2cccc(Cl)c2F)[C@]12C(=O)Nc1cc(Cl)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.