[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a 3-oxo-Delta(4) steroid that is B-norcholesterol in which the 3beta-hydroxy group has been converted to an oxo group and the double bond at position 5 has been moved to position 4."}, {"from": "gpt", "value": "[C][C@H1][Branch1][=Branch2][C][C][C][C][Branch1][C][C][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][=Branch1][C][=O][C][C][C@][Ring1][#Branch2][Ring1][#Branch1][C][C]"}]