Using O=[N+]([O-])c1cccnc1Cl, CCOC(=O)c1ccncc1 to produce CCOC(=O)C1CCN(c2ncccc2[N+](=O)[O-])CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.