Using FC(F)=C(F)C(F)(F)F, COC(=O)c1ccc(O)cc1 to produce COC(=O)c1ccc(OC(F)(F)C(F)C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.