[{"from": "human", "value": "Please give me some details about this molecule. [C][C][Branch2][Ring1][=Branch1][C][C][C][=C][Branch1][Ring2][C][Ring1][=Branch1][C@H1][C][C][C][=Branch1][Branch1][=C][C][Ring1][=Branch1][C][O][C]"}, {"from": "gpt", "value": "The molecule is a sesquiterpenoid that is (S)-beta-macrocarpene in which a hydrogen of the methyl group that is attached to a double bond has been replaced by a hydroxy group. The first step in the biosynthesis of the sesquiterpene phytoalexin zealexin A1 from (S)-beta-macrocarpene in maize. It is a primary allylic alcohol and a sesquiterpenoid. It is functionally related to a (S)-beta-macrocarpene."}]