Using CCOC(=O)C(F)(F)F, CC(C)(C)C(=O)Nc1ccc(Cl)cc1 to produce CC(C)(C)C(=O)Nc1ccc(Cl)cc1C(=O)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.