Using O=S(=O)(Cl)c1ccc(Br)cc1, Cc1c[nH]c2ncc(Br)cc12 to produce Cc1cn(S(=O)(=O)c2ccccc2)c2ncc(Br)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.