Using O=S(=O)(Cl)c1ccc(Nc2cnnc3cc(Cl)ccc23)cc1, CCN(CC)CCN to produce CCN(CC)CCNS(=O)(=O)c1ccc(Nc2cnnc3cc(Cl)ccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.