Using O=[N+]([O-])c1ccc(Cl)cc1CBr, CCOC(=O)c1cc(C)c[nH]1 to produce CCOC(=O)c1cc(C)cn1Cc1cc(Cl)ccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.