Using CCOC(=O)C(C)(CCn1ccc(OCc2ccccc2)cc1=O)S(C)(=O)=O to produce CCOC(=O)C(C)(CCn1ccc(O)cc1=O)S(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.