[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=Branch1][C][=O][O-1].[C][C][=Branch1][C][=O][O-1].[Ca+2]"}, {"from": "gpt", "value": "The molecule is the calcium salt of acetic acid. It has been commonly referred to as the acetate of lime. The anhydrous form is very hygroscopic, therefore the monohydrate is the common form."}]