[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a diterpenoid isolated from the seed kernels of Caesalpinia crista that has been found to exhibit antimalarial activity. It has a role as a metabolite and an antimalarial. It is an acetate ester, a cyclic ether, an enone, a tertiary alcohol, a diterpenoid and an aromatic ketone."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O][C@@H1][C@@H1][Branch2][Branch1][C][C@@][Branch2][Ring2][=N][C@H1][C][C][=C][Branch1][=Branch1][C][=C][O][Ring1][Branch1][C][=Branch1][C][=O][C@@H1][Ring1][#Branch2][C][C][C@][Ring1][=C][Branch2][Ring1][C][C][Branch1][O][C@@H1][Ring2][Ring1][C][O][C][=Branch1][C][=O][C][Branch1][C][C][C][O][C][O][C][=Branch1][C][=O][C]"}]