Using CC(=O)CC(=O)C(F)(F)F, Nc1sccc1C(=O)c1ccc(F)cc1 to produce Cc1nc2sccc2c(-c2ccc(F)cc2)c1C(=O)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.