Using O=[N+]([O-])c1cccnc1Cl, CCOC(=O)C(CC)C(=O)OCC to produce CCOC(=O)C(CC)(C(=O)OCC)c1ncccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.