Using CCC(=O)N1Cc2cn[nH]c2-c2cc([N+](=O)[O-])ccc21 to produce CCC(=O)N1Cc2cn[nH]c2-c2cc(N)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.