Using NC1Cc2cc(Cl)ccc2N(Cc2ccccc2)C1, O=S(=O)(Cl)c1ccccc1 to produce O=S(=O)(NC1Cc2cc(Cl)ccc2N(Cc2ccccc2)C1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.