Using CC(C)(C)N, O=[N+]([O-])c1cc(Br)cc(S(=O)(=O)O)c1 to produce CC(C)(C)NS(=O)(=O)c1cc(Br)cc([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.