Using [F-], CCCCCC12CCC(c3ccc(C#N)c([N+](=O)[O-])c3)(CC1)CC2 to produce CCCCCC12CCC(c3ccc(C#N)c(F)c3)(CC1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.