[{"from": "human", "value": "Please give me some details about this molecule. [C][C][Branch2][Ring1][=Branch2][C][C][C][=C][Branch1][Ring2][C][Ring1][=Branch1][C@H1][C][C][C][=Branch1][Branch1][=C][C][Ring1][=Branch1][C][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is a sesquiterpene phytoalexin that is (S)-beta-macrocarpene in which the methyl group that is attached to a double bond has undergone formal oxidation to give the corresponding carboxylic acid. It is produced by maize (Zea mays) to provide biochemical protection against fungal infection. It is an alpha,beta-unsaturated monocarboxylic acid and a sesquiterpene phytoalexin. It is functionally related to a (S)-beta-macrocarpen-15-ol. It is a conjugate acid of a zealexin A1(1-)."}]