Using CCOC(=O)CN(CC(C)C)S(=O)(=O)c1ccc(OC)cc1 to produce CCOC(=O)CN(CC(C)C)S(=O)(=O)c1ccc(O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.