[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a guaiane sesquiterpenoid isolated from Elephantopus mollis and has been shown to exhibit cytotoxic activity. It has a role as a metabolite and an antineoplastic agent. It is a guaiane sesquiterpenoid, an organic heterotricyclic compound, a gamma-lactone, an enoate ester and an enone. It is functionally related to a tiglic acid."}, {"from": "gpt", "value": "[C][/C][=C][Branch1][C][\\C][/C][=Branch1][C][=O][O][C@H1][C][C][=Branch1][C][=C][C][=C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][C][Ring1][Branch1][=O][C][C@@H1][C@@H1][Ring1][=N][C][=Branch1][C][=C][C][=Branch1][C][=O][O][Ring1][#Branch1]"}]