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