[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][/C][=Branch1][S][=C][/C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][/O][Ring1][S]"}, {"from": "gpt", "value": "The molecule is a hydroxyaurone that is aurone which is substituted by hydroxy groups at the 3' and 4' positions; major species at pH 7.3. It shows inhibitory activity against several isoforms of the histone deacetylase complex (HDAC). It has a role as an EC 3.5.1.98 (histone deacetylase) inhibitor. It is a hydroxyaurone and a member of catechols. It is functionally related to a 2',3,4-trihydroxy-trans-chalcone."}]