Using COCCOc1ccc([C@@H]2OC(=O)N[C@H]2C(=O)OC)cc1 to produce COCCOc1ccc([C@@H]2OC(=O)N[C@H]2CO)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.