Using O=Cc1cc(O)c(O)c([N+](=O)[O-])c1, CC(=O)Cc1ccccc1 to produce CC(=O)C(=Cc1cc(O)c(O)c([N+](=O)[O-])c1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.