Using C1=COCCC1, OCc1csc(-c2cccc(C(F)(F)F)c2)n1 to produce FC(F)(F)c1cccc(-c2nc(COC3CCCCO3)cs2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.