[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a steroid ester."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][=Branch1][C][=C][C][=C][C][C][C][=Branch1][C][=O][C][=C][Ring1][#Branch1][C][C][C@@H1][Ring1][#C][Ring1][O][C]"}]