Using CC(C)(C)[Si](C)(C)Cl, COc1nc(C(F)(F)F)c(Br)c(CO)c1Br to produce COc1nc(C(F)(F)F)c(Br)c(CO[Si](C)(C)C(C)(C)C)c1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.