Using CC(C(=O)c1ccc2oc(=O)n(C)c2c1)c1ccc(Br)cc1Cl, C[Si](C)(C)C(F)(F)F to produce CC(c1ccc(Br)cc1Cl)C(O)(c1ccc2oc(=O)n(C)c2c1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.