[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][S][C][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a sulfur-containing amino acid and a non-proteinogenic alpha-amino acid. It is a conjugate acid of a homomethioninate."}]