Using COC(=O)C(C)(C)c1nc(-c2ccc([N+](=O)[O-])c(O)n2)c(-c2ccc(F)cc2F)[nH]1 to produce COC(=O)C(C)(C)c1nc(-c2ccc(N)c(O)n2)c(-c2ccc(F)cc2F)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.