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