[{"from": "human", "value": "Provide a brief overview of this molecule. [C][/C][=C][/C][=C][/C][=Branch1][C][=O][O-1].[K+1]"}, {"from": "gpt", "value": "The molecule is a potassium salt having sorbate as the counterion. It has a role as an antimicrobial food preservative. It contains an (E,E)-sorbate."}]