Using COC(=O)[C@@H]1CN(C(C)(C)C)C[C@H]1c1ccc(F)cc1F to produce CC(C)(C)N1C[C@@H](C(=O)O)[C@H](c2ccc(F)cc2F)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.