Using COc1ccc(C2O[C@@H](C(=O)[O-])[C@H](c3ccccc3)N2C(=O)OC(C)(C)C)c(OC)c1 to produce COc1ccc(C2O[C@@H](C(=O)O)[C@H](c3ccccc3)N2C(=O)OC(C)(C)C)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.