[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][/C][=C][/C][C][=Branch1][S][=C][C][=Branch1][C][=O][C][C][Branch1][=Branch1][C][C][Ring1][#Branch1][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a polyketide that consists of cyclohex-2-en-1-one substituted by hydroxy groups at positions 3 and 5 and a hexadec-3-enoyl group at position 2 (the 3E stereoisomer). It is isolated form the leaves of Virola sebifera an exhibits cytotoxic activity against human tumour cells. It has a role as a metabolite and an antineoplastic agent. It is a polyketide, an enol and an enone."}]