[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][C][C][Branch1][#Branch2][C][Ring1][=Branch1][C][C][C][Ring1][=Branch2][O][C][C][C][=C][Ring1][O][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a steroid. It derives from a hydride of an estrane."}]