Using CCC1(c2cn(C)c3c([N+](=O)[O-])cccc23)CCc2cc(F)ccc21 to produce CCC1(c2cn(C)c3c(N)cccc23)CCc2cc(F)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.