Using O=S(=O)(c1ccccc1)N(F)S(=O)(=O)c1ccccc1, COc1c(Br)cnc(CO[Si](C)(C)C(C)(C)C)c1C to produce COc1c(F)cnc(CO[Si](C)(C)C(C)(C)C)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.