[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a cembrane diterpenoid with cytotoxic activity isolated from the soft coral Lobophytum michaelae. It has a role as an antineoplastic agent and a coral metabolite. It is a gamma-lactone, an acetate ester, a cembrane diterpenoid, an epoxide, a macrocycle and a cyclic terpene ketone."}, {"from": "gpt", "value": "[C][/C][=C][\\C][C][=Branch1][C][=O][/C][=Branch2][Branch1][Ring1][=C][/C][C@H1][Branch2][Ring2][#Branch1][C@][Branch2][Ring2][C][C@@H1][Branch1][Ring2][O][Ring1][Ring1][C@@H1][C@@H1][Branch1][=N][C@@H1][Branch1][Ring2][C][/-Ring1][S][O][C][=Branch1][C][=O][C][C][=Branch1][C][=C][C][=Branch1][C][=O][O][Ring1][=N][C][O][C][=Branch1][C][=O][C][/C]"}]