Using O=C(O)c1ccc(CBr)c([N+](=O)[O-])c1, C(=NC1CCCCC1)=NC1CCCCC1 to produce COC(=O)c1ccc(CBr)c([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.