[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][C][C][C][C][C][/C][=C][\\C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a C18, long straight-chain monounsaturated fatty acid anion; and the conjugate base of oleic acid, arising from deprotonation of the carboxylic acid group. It has a role as an Escherichia coli metabolite, a plant metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate base of an oleic acid."}]