Using O=C(O)Cc1ccc(Cl)cc1, COC(=O)c1cc(Br)c([Si](C)(C)C)c(F)c1F to produce C[Si](C)(C)c1c(Br)cc(C(=O)Cc2ccc(Cl)cc2)c(F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.