Using NC(=O)c1cc([N+](=O)[O-])cc(Br)n1, O=[N+]([O-])c1ccc(S)cc1 to produce NC(=O)c1cc(Sc2ccc([N+](=O)[O-])cc2)cc(Br)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.