[{"from": "human", "value": "Describe this molecule. [C][C@H1][C][C][C@@H1][Branch2][Ring2][#Branch1][C][/C][\\-Ring1][=Branch1][=C][\\C][=C][/C][C][C][C@][Branch2][Ring1][Branch2][C@H1][\\-Ring1][=Branch1][C][C][C@@H1][Ring1][Branch1][C@H1][Branch1][C][C][/C][=C][/C@H1][Branch1][C][C][C][Branch1][C][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a hydroxy seco-steroid that is 9,10-secoergosta-5,7,22-triene substituted by a hydroxy group at position 3. A synthetic analogue of vitamin D that acts a bone density conservation agent. It has a role as a bone density conservation agent. It is a vitamin D, a hydroxy seco-steroid and a seco-ergostane."}]