Using O=[N+]([O-])c1ccccc1CCl, CCOC(=O)c1ncc[nH]1 to produce CCOC(=O)c1nccn1Cc1ccccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.