Using FC(Cl)(Cl)Sc1cnn(CCl)c1, N#CC(C#N)CCC(F)(F)F to produce N#CC(C#N)(CCC(F)(F)F)Cn1cc(SC(F)(Cl)Cl)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.