Using Nc1cccc(S(=O)(=O)NCc2cccc(Nc3nc(Cl)ncc3Cl)c2)c1 to produce O=S1(=O)NCc2cccc(c2)Nc2nc(ncc2Cl)Nc2cccc1c2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.