[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a steroid ester that is androst-4-en-17beta-yl propanoate substituted by an oxo group at position 3 and a fluoro group at position 17. It is a steroid ester, a 3-oxo-Delta(4) steroid and a fluorinated steroid. It is functionally related to a testosterone."}, {"from": "gpt", "value": "[C][C][C][=Branch1][C][=O][O][C@H1][C@H1][Branch2][Ring1][S][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][#Branch1][C][C][C@H1][C@H1][Ring1][=Branch1][C][C][C][=C][C][=Branch1][C][=O][C][C][C@][Ring1][O][Ring1][#Branch1][C][C][F]"}]