Using Cc1cc2ccccc2n1C, NS(=O)(=O)c1cc(C(=O)Cl)ccc1Cl to produce Cc1c(C(=O)c2ccc(Cl)c(S(N)(=O)=O)c2)c2ccccc2n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.