Using CNc1ccccc1, O=C(O)C1Cc2c([N+](=O)[O-])cc3[nH]c(=O)c(=O)[nH]c3c2C1 to produce CN(C(=O)C1Cc2c([N+](=O)[O-])cc3[nH]c(=O)c(=O)[nH]c3c2C1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.