Using O=[N+]([O-])c1ccc(O)cc1, CC(C)=CCCC(C)=CCBr to produce CC(C)=CCCC(C)=CCOc1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.