Using CC(=O)O[C@@H](c1ccc(F)cc1)[C@@H](NC(=O)OC(C)(C)C)C(=O)N1CCCC1 to produce CC(=O)O[C@@H](c1ccc(F)cc1)[C@@H](N)C(=O)N1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.