[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][Branch2][Ring1][Branch1][C][=C][Branch1][=Branch2][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O][S][=Branch1][C][=O][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an extracellular plant cysteine proteinase similar to papain in specificity. Chymopapain was developed by Chart Medcl and FDA approved on November 10, 1982. It is currently discontinued."}]