[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][S][=Branch1][C][=O][=Branch1][C][=O][O][C][C@@H1][Branch1][#C][C@H1][Branch1][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][C][O][O]"}, {"from": "gpt", "value": "The molecule is a methanesulfonate ester."}]