Using C, NC(=O)c1[nH]c2ccccc2c1-c1ccc([N+](=O)[O-])cc1 to produce Cn1c(C(N)=O)c(-c2ccc([N+](=O)[O-])cc2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.