Using COC(=O)N1C[C@@H]2CCC(=O)C[C@@H]2C[C@H]1C(=O)O to produce COC(=O)N1C[C@@H]2CC[C@H](O)C[C@@H]2C[C@H]1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.