Using CCC(CC)c1ccc(Cl)c2nc3n(c12)CCCCN3c1ncc(Br)cc1C, CS(=O)[O-] to produce CCC(CC)c1ccc(Cl)c2nc3n(c12)CCCCN3c1ncc(S(C)(=O)=O)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.