Using Nc1ccc(F)c(C(F)F)c1, O=C([O-])Cc1nc(N2CCOCC2)cc(=O)[nH]1 to produce O=C(Cc1nc(N2CCOCC2)cc(=O)[nH]1)Nc1ccc(F)c(C(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.