[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][S][C][C][C][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is an L-polyhomomethionine in which there are six methylene groups between the alpha-carbon and sulfur atoms. It is a L-polyhomomethionine and a tetrahomomethionine. It is a tautomer of a L-tetrahomomethionine zwitterion."}]