Using Cc1[nH]ncc1-c1cc2c(s1)C(=O)NC(C)(C)N2Cc1cccc([N+](=O)[O-])c1 to produce Cc1[nH]ncc1-c1cc2c(s1)C(=O)NC(C)(C)N2Cc1cccc(N)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.