Using O=C(O)[C@@H]1[C@H](O)[C@@H](O)[C@H](O)CN1C(=O)OCc1ccccc1 to produce O=C(O)[C@H]1NC[C@@H](O)[C@H](O)[C@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.