[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@][C][C][C@H1][C@H1][Branch1][N][C@@H1][Ring1][=Branch1][C][C@@H1][Branch1][Ring2][C][Ring1][=Branch2][O][C][C][C][=C][Ring1][O][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is a 3-hydroxy steroid that is estra-1,3,5(10)-triene substituted by hydroxy groups at positions 3 and 16. It is a 3-hydroxy steroid and a 16beta-hydroxy steroid. It derives from a hydride of an estrane."}]