[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is produced not only in the testis, but also in the ovary and the adrenal cortex. Depending on the tissue type, androstenedione can serve as a precursor to testosterone as well as estrone and estradiol."}, {"from": "gpt", "value": "[C][C@][C][C][C][=Branch1][C][=O][C][=C][Ring1][#Branch1][C][C][C@@H1][C@@H1][Ring1][O][C][C][C@][Branch1][#Branch2][C@H1][Ring1][=Branch1][C][C][C][Ring1][Branch1][=O][C]"}]