Using C[Si](C)(C)O[Si](C)(CCl)CCl, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C1(C(=O)OCC)C[Si](C)(C)O[Si](C)(C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.