Using NS(=O)(=O)c1cccc(Cl)c1Cl, Clc1nc2ccccc2nc1Cl to produce O=S(=O)(Nc1nc2ccccc2nc1Cl)c1cccc(Cl)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.