[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a cembrane diterpenoid that is an epimer of sinularolide B at C-3. Isolated from Sinularia gibberosa and has been found to exhibit antineoplastic activity. It has a role as a metabolite and an antineoplastic agent. It is a gamma-lactone, a cembrane diterpenoid, an epoxide, a macrocycle, a primary alcohol and a secondary alcohol."}, {"from": "gpt", "value": "[C][/C][=C][\\C][C][C@@][Branch2][Ring2][C][C@@H1][Branch1][Ring2][O][Ring1][Ring1][C][C@H1][C@H1][Branch1][=C][C@H1][Branch1][#Branch2][/C][=Branch1][=Branch1][=C][/C][C][/-Ring1][#C][/C][O][O][C][=Branch1][C][=O][C][Ring1][=N][=C][C][O]"}]