Using Cn1cnn2c(=NCC(F)(F)F)c(-c3c(F)cc(F)cc3F)c(Cl)nc12 to produce CN(C#N)c1nc(Cl)c(-c2c(F)cc(F)cc2F)c(NCC(F)(F)F)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.