Using Cc1[nH]c2ccc(O)cc2c1C1CCN(C)CC1, O=S(=O)(Cl)c1ccccc1 to produce Cc1[nH]c2ccc(OS(=O)(=O)c3ccccc3)cc2c1C1CCN(C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.