[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an aldoheptose that is the D-glycero-diastereomer of D-gulo-heptopyranose It has a role as a plant metabolite."}, {"from": "gpt", "value": "[C][Branch2][Ring1][#Branch2][C@H1][Branch2][Ring1][Branch1][C@@H1][C@@H1][Branch1][S][C@H1][Branch1][N][C@H1][Branch1][Branch2][C][Branch1][Ring2][O][Ring1][=Branch1][O][O][O][O][O][O]"}]