Using CC(C)[C@H](NC(=O)OCc1ccccc1)C(=O)N1CCC[C@H]1C(=O)N[C@@H](C(C)C)[C@@H](O)C(F)(F)F to produce CC(C)[C@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](C(C)C)[C@@H](O)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.