Using CC[Si](Cl)(CC)CC, CC(C)(C)[Si](C)(C)O[C@@H]1C[C@@H](O)C[C@@H]2O[C@@]21C to produce CC[Si](CC)(CC)O[C@H]1C[C@@H]2O[C@]2(C)[C@H](O[Si](C)(C)C(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.