Using O=[N+]([O-])c1cccc2nc[nH]c12, Brc1cccc(Br)c1 to produce O=[N+]([O-])c1cccc2c1ncn2-c1cccc(Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.