[{"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@@H1][C][C@H1][Branch2][Ring1][O][C][C@][Branch1][Ring2][O][Ring1][=Branch1][C][C][C@@][Branch1][Ring2][O][Ring1][=Branch1][C][=C][C][=Branch1][C][=O][C][C@@H1][Ring1][Branch2][O][O]"}, {"from": "gpt", "value": "The molecule is an oxaspiro compound that is 1,7-dioxadispiro[5.1.5.2]pentadec-9-en-11-one substituted by hydroxy groups at positions 4 and 13 and a tridecyl group at position 2 (the (2R,4R,6S,8R,13S stereoisomer). It is isolated from the leaves of Amomum aculeatum and exhibits toxicity against some cancer cell lines like human lung carcinoma, hormone-dependent lung carcinoma and human breast carcinoma. It has a role as a metabolite and an antineoplastic agent. It is an oxaspiro compound, an organic heterotricyclic compound, an enone and a spiroketal."}]