Using C[C@@H](Cn1ncc2ccc3oc(C(=O)OCc4ccccc4)cc3c21)NC(=O)OCc1ccccc1 to produce C[C@@H](Cn1ncc2ccc3oc(C(=O)O)cc3c21)NC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.