[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][S][C][S][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a dithioacetal consisting of two molecules of L-cysteine joined via their sulfanyl groups to methylene. It has a role as a plant metabolite and a toxin. It is a dithioacetal, a L-cysteine derivative and a non-proteinogenic L-alpha-amino acid."}]