Using C=Cc1ccc(OC)cc1, Cc1ccc(Br)c([N+](=O)[O-])c1 to produce COc1ccc(C=Cc2ccc(C)cc2[N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.