Using Cc1cc(C#C[Si](C)(C)C)ccc1-n1c(C(F)(F)F)nn(C)c1=S to produce C#Cc1ccc(-n2c(C(F)(F)F)nn(C)c2=S)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.