[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a diterpene that consists of a labdane skeleton with double bonds at C-8(17), C-12(13) and C-14 (the Z-isomer) and inversion of stereochemistry at the 5, 9 and 10 positions. It derives from a hydride of a labdane."}, {"from": "gpt", "value": "[C][/C][=Branch2][Ring1][O][=C][/C][C@@H1][C][=Branch1][C][=C][C][C][C@H1][C@][Ring1][#Branch1][Branch1][O][C][C][C][C][Ring1][=Branch1][Branch1][C][C][C][C][/C][=C]"}]