Using COCOc1ccc(C2(O)CCC(c3ccc(O[Si](C)(C)C(C)(C)C)cc3)CC2)c(OCOC)c1 to produce COCOc1ccc(C2=CCC(c3ccc(O[Si](C)(C)C(C)(C)C)cc3)CC2)c(OCOC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.