Using COCOc1cc(OC)c(OCOC)c(CCO[Si](C)(C)C(C)(C)C)c1OC to produce COCOc1cc(OC)c(OCOC)c(CCO)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.