Using COC(=O)c1cc(OC(F)(F)C(F)OC(F)(F)F)nn1-c1ncccc1Cl to produce O=C(O)c1cc(OC(F)(F)C(F)OC(F)(F)F)nn1-c1ncccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.