Using CSCc1cc(F)cc2c(C(CCCl)c3ccc(Cl)cc3)c[nH]c12, [C-]#N to produce CSCc1cc(F)cc2c(C(CCC#N)c3ccc(Cl)cc3)c[nH]c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.