Using O=C(O)Cc1ccc([N+](=O)[O-])cc1, Nc1ccc(Nc2ccccc2)cc1 to produce O=C(Cc1ccc([N+](=O)[O-])cc1)Nc1ccc(Nc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.