Using O=S(=O)(O)O, CCO[C@@H](Cc1ccc(OCc2ccccc2)cc1)C(=O)N[C@@H](CO)c1ccccc1 to produce CCO[C@@H](Cc1ccc(OCc2ccccc2)cc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.