Using CC(C)(C)OC(=O)N1CCCC1CCBr, O=[N+]([O-])Cc1ccccc1 to produce CC(C)(C)OC(=O)N1CCCC1CCC(c1ccccc1)[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.