Using O=[N+]([O-])c1ccc(Cl)nc1, C[C@@H]1CN(C(=O)OC(C)(C)C)[C@@H](C)CN1 to produce C[C@@H]1CN(C(=O)OC(C)(C)C)[C@@H](C)CN1c1ccc([N+](=O)[O-])cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.