Using O=S(=O)(c1ccccc1)c1no[n+]([O-])c1S(=O)(=O)c1ccccc1, CC(C)(C)OC(=O)CCO to produce CC(C)(C)OC(=O)CCOc1no[n+]([O-])c1S(=O)(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.