Using Cc1sc(C)c(CC#N)c1CC#N, Nc1c(F)c(F)cc(F)c1S to produce Cc1sc(C)c(Cc2nc3c(F)c(F)cc(F)c3s2)c1CC#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.