Using CC(C)(C)OC(=O)N1CC[C@@H](C(=O)c2ccc(Cl)c(F)c2)C1 to produce CC(C)(C)OC(=O)N1CC[C@@H](C(O)c2ccc(Cl)c(F)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.