[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. 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."}, {"from": "gpt", "value": "[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]"}]