[{"from": "human", "value": "Describe this molecule. [C][=C][C][C@H1][Branch2][Ring1][O][C@@H1][C@@H1][Branch1][=C][C@@H1][C@H1][Ring1][#Branch1][C][C@@H1][Branch1][Branch1][C][Ring1][Branch1][=C][O][O][C][=Branch1][C][=O][C][Ring1][=N][=C][O][C][=Branch1][C][=O][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is a sesquiterpene lactone isolated from Ixeris chinensis and has been shown to exhibit cytotoxic activity against human PC-3 tumor cells. It has a role as a metabolite and an antineoplastic agent. It is a sesquiterpene lactone, a carboxylic ester, a member of phenols and a secondary alcohol. It is functionally related to a 4-hydroxyphenylacetic acid."}]