Using O=Cc1cccc(CNC(=O)OCc2ccc([N+](=O)[O-])cc2)c1, CC(C)=O to produce O=C(NCc1cccc(C(=O)O)c1)OCc1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.