Using O=C1NC(=O)c2cc1ccc2[N+](=O)[O-], CC(C)Br to produce CC(C)N1C(=O)c2ccc([N+](=O)[O-])cc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.