[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is the end product of the enzyme Glyoxalase II ([EC:3.1.2.6] hydroxyacyl-glutathione hydrolase) which converts the intermediate substrate S-lactoyl-glutathione to reduced glutathione and D-lactate. (OMIM 138790). The concentrated form is used internally to prevent gastrointestinal fermentation."}, {"from": "gpt", "value": "[C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O]"}]