[{"from": "human", "value": "What can you tell me about this molecule? [C][C@@H1][Branch2][Ring2][C][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][#Branch1][C][C][C@H1][C@H1][Ring1][=Branch1][C][C][C][=C][C@H1][Branch1][=Branch2][C][C][C@][Ring1][#Branch2][Ring1][=Branch1][C][O][C][O]"}, {"from": "gpt", "value": "The molecule is a C21-steroid in which a pregnane skeleton carries a beta-hydroxy group at position 3, an alpha-hydroxy group at position 20 and a double bond between positions 4 and 5. It is a C21-steroid, a 3beta-hydroxy steroid and a 20-hydroxy steroid. It is functionally related to a progesterone."}]