Using CC(=O)CC(=O)OCCCl, O=Cc1cccc([N+](=O)[O-])c1 to produce CC(=O)C(=Cc1cccc([N+](=O)[O-])c1)C(=O)OCCCl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.