[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=Branch1][C][=O][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][P][C][C][C@H1][C@H1][Ring1][=Branch1][C][C][C][=C][Branch1][=N][C][=Branch1][C][=O][C][C][C@][Ring1][O][Ring1][#Branch1][C][S][C][C][C][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is a steroid acid consisting of progesterone having a 2-carboxyethylthio group at the 4-position. It is a 3-oxo-Delta(4) steroid, a 20-oxo steroid, a steroid acid, a steroid sulfide and a monocarboxylic acid. It is functionally related to a progesterone."}]