Using O=[O+][O-], C=CC(OCc1ccc(OC)cc1)C(C)(C)COS(=O)(=O)CCCCl to produce COc1ccc(COC(C=O)C(C)(C)COS(=O)(=O)CCCCl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.