Using Clc1ncc(Cl)c(-c2c[nH]c3ccccc23)n1, O=S(=O)(Cl)c1ccccc1 to produce O=S(=O)(c1ccccc1)n1cc(-c2nc(Cl)ncc2Cl)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.