Using CN(C)c1nc2c(C(=O)[O-])cc([N+](=O)[O-])cc2[nH]1 to produce CN(C)c1nc2c(C(=O)O)cc([N+](=O)[O-])cc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.