Using F[B-](F)(F)F, CCOC(=O)C(C(=O)OC(C)(C)C)c1ccc(Cl)nn1 to produce CCOC(=O)C(F)(C(=O)OC(C)(C)C)c1ccc(Cl)nn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.