Using Cc1ncc([N+](=O)[O-])n1C, CCOC(=O)C(=O)OCC to produce CCOC(=O)C(=O)Cc1ncc([N+](=O)[O-])n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.