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