[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a member of sterigmatocystins."}, {"from": "gpt", "value": "[C][=C][C][=Branch2][Ring2][Ring2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][=C][Branch1][Branch1][C][Ring1][#Branch1][=O][C][=Branch1][S][=C][C][=C][Ring1][Branch2][C@@H1][C][=C][O][C@@H1][Ring1][Branch1][O][Ring1][Branch2][O][O]"}]