Using Cc1cc(C)nc(Br)c1, C=Cc1nn(C2CCCCO2)c2cc([N+](=O)[O-])ccc12 to produce Cc1cc(C)nc(C=Cc2nn(C3CCCCO3)c3cc([N+](=O)[O-])ccc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.