Using N=C(N)NC(=N)Nc1ccc(F)c(F)c1F, CCCCCCCCCC=O to produce CCCCCCCCCC1N=C(N)N=C(N)N1c1ccc(F)c(F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.