Using CCOC(=O)[C@@H]1CCC(=O)CN1C(=O)OC(C)(C)C to produce CCOC(=O)[C@@H]1CC[C@H](O)CN1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.