Using OCC(F)(F)C(F)(F)C(F)(F)F, ClCC1(CCl)COC1 to produce FC(F)(F)C(F)(F)C(F)(F)COCC1(COCC(F)(F)C(F)(F)C(F)(F)F)COC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.