[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@H1][C][C@][Branch2][Ring2][#Branch2][C@@H1][Branch2][Ring1][Ring1][C][C][C@@][Ring1][Branch1][Branch1][=Branch1][C][=Branch1][C][=O][C][O][C][=Branch1][C][=O][C][C@H1][C@H1][Ring1][S][C@H1][C][C][C][=Branch1][C][=O][C][=C][Ring1][#Branch1][C][C][Ring1][O][C]"}, {"from": "gpt", "value": "The molecule is a steroidal progestin used in veterinary medicine to control estrus and ovulation in cattle."}]