Using Nc1ccccn1, CC(Br)C(=O)CC(=O)OCc1ccc([N+](=O)[O-])cc1 to produce Cc1c(CC(=O)OCc2ccc([N+](=O)[O-])cc2)nc2ccccn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.