Using CCO[Si](CCCCCCCCCCCCCCCCCCc1ccccc1)(OCC)OCC to produce CO[Si](CCCCCCCCCCCCCCCCCCc1ccccc1)(OC)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.