Using C[Si](C)(C)C(F)(F)F, O=C(COCc1ccccc1)COCc1ccccc1 to produce OC(COCc1ccccc1)(COCc1ccccc1)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.