Using COC(=O)C(C)(C)NC(=O)CCl, CCOC(=O)c1cc(F)ccc1S to produce COC(=O)C(C)(C)NC(=O)c1sc2ccc(F)cc2c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.