[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][C][C][Ring1][Branch1][C][C][C][C][C][Branch1][P][C][C][C][C][Ring1][=Branch1][Branch1][Branch2][C][Ring1][#Branch2][C][C][Ring1][P][C][C][=O]"}, {"from": "gpt", "value": "The molecule is a steroid aldehyde that is any steroid which is substituted by a formyl group at position 4."}]