Using CC(C)(C)OC(=O)N1CC(=O)C(S(=O)(=O)c2ccc(OCc3ccccc3)cc2)C1 to produce CC(C)(C)OC(=O)N1CC(O)C(S(=O)(=O)c2ccc(OCc3ccccc3)cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.