[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a germacranolide isolated from the aerial parts of Carpesium divaricatum. It exhibits cytotoxicity against the human tumor cells, A-549 (nonsmall cell lung), SK-OV-3 (ovary), SK-MEL-2 (skin), XF-498 (central nervous system) and HCT-15 (colon). It has a role as a metabolite and an antineoplastic agent. It is a diol, a secondary alcohol, a cyclic ketone, a tertiary alcohol, an enoate ester and a germacranolide."}, {"from": "gpt", "value": "[C][C][C][Branch1][C][C][C][=Branch1][C][=O][O][C@H1][C@H1][C@H1][Branch2][Ring2][Branch1][C@@H1][Branch2][Ring1][=Branch1][C][=Branch1][C][=O][C@H1][Branch1][=C][C][C@@H1][Branch1][=Branch2][C][C@][Ring1][O][Branch1][C][C][O][O][C][O][C][=Branch1][C][=O][/C][=Branch1][Ring1][=C][\\C][/C][C][=Branch1][C][=C][C][=Branch1][C][=O][O][Ring2][Ring1][#Branch2]"}]