Using O=C(Cl)c1ccccc1C(F)(F)F, NCC(=NOCC(F)(F)F)c1ncc(Cl)cc1Cl to produce O=C(NCC(=NOCC(F)(F)F)c1ncc(Cl)cc1Cl)c1ccccc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.