Using CC(=O)Nc1cc2c(cc1[N+](=O)[O-])NC(=O)C2(C)C, CCC#CCBr to produce CCC#CCN1C(=O)C(C)(C)c2cc(N)c([N+](=O)[O-])cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.