Using CN1C(=O)C(C)(C)[C@@](C)(c2cc([N+](=O)[O-])ccc2F)N=C1N to produce CN1C(=O)C(C)(C)[C@@](C)(c2cc(N)ccc2F)N=C1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.