Using O=C1NN=C(c2ccc(Cl)cc2)CS1, O=[N+]([O-])c1ccc(CBr)cc1 to produce O=C1SCC(c2ccc(Cl)cc2)=NN1Cc1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.