[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a medium-chain fatty acid anion that is the conjugate base of nonanoic acid that in methyl ester form has significant nematicidal activity. It has a role as a plant metabolite. It is a straight-chain saturated fatty acid anion and a medium-chain fatty acid anion. It is a conjugate base of a nonanoic acid."}]