Using CCN(CC)S(F)(F)F, COC(=O)c1cc2[nH]cc(C3CCCCC3O)c2s1 to produce COC(=O)c1cc2[nH]cc(C3CCCCC3F)c2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.