Using CC1(C)O[C@@H]2O[C@@H](C=O)[C@@H](O[Si](C)(C)C(C)(C)C)[C@@H]2O1, CC(C)(C)[Si](C)(C)Oc1ccc(Cc2cc(Br)ccc2Cl)cc1 to produce CC1(C)O[C@@H]2O[C@@H](C(O)c3ccc(Cl)c(Cc4ccc(O[Si](C)(C)C(C)(C)C)cc4)c3)[C@@H](O[Si](C)(C)C(C)(C)C)[C@@H]2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.