[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a steroid ester."}, {"from": "gpt", "value": "[C][C@][C][C][C][C][Branch2][Ring1][#Branch1][C][Ring1][=Branch1][C][C][C@@H1][Ring1][=Branch2][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][Ring1][Branch1][C][C][C][=C][Ring2][Ring1][Ring2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O]"}]