Using O=C(O)c1cc(C(F)(F)F)nn1-c1ccccc1Cl, ClC(Cl)Cl to produce O=C(Cl)c1cc(C(F)(F)F)nn1-c1ccccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.