Using O=C(OC(=O)C(F)(F)F)C(F)(F)F, FC(F)(F)c1ccc(Cl)nc1 to produce [O-][n+]1cc(C(F)(F)F)ccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.