Using Cc1c(F)c(F)c([Si](C)(C)C)c(F)c1C1=NC(C)(C)CO1 to produce Cc1c(F)c(F)cc(F)c1C1=NC(C)(C)CO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.