[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule appears as a colorless to yellow odorless syrupy liquid. Corrosive to metals and tissue. Used to make cultured dairy products, as a food preservative, and to make chemicals."}]