[{"from": "human", "value": "Could you give me a brief overview of this molecule? [O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[Fe+3].[Fe+3]"}, {"from": "gpt", "value": "The molecule is a compound of iron and sulfate in which the ratio of iron(3+) to sulfate ions is 3:2. It has a role as a catalyst, a mordant and an astringent. It is a metal sulfate and an iron molecular entity. It contains an iron(3+)."}]