[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=Branch1][C][=O][C@@][C@@H1][Branch2][Ring1][S][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][#Branch1][C][C][C@H1][C@H1][Ring1][=Branch1][C][C][C][=C][C][=Branch1][C][=O][C][C][C@][Ring1][O][Ring1][#Branch1][C][C][O][C][Branch1][Branch1][O][Ring2][Ring1][#Branch1][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a cyclic ketal that is the 16alpha,17alpha-acetonide derivative of algestone. It has a role as an anti-inflammatory drug. It is a 3-oxo-Delta(4) steroid, a 20-oxo steroid and a cyclic ketal. It is functionally related to an algestone."}]