[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a plastoquinone in which the number of isoprene units in the side chain is 9."}, {"from": "gpt", "value": "[C][C][=C][Branch2][=Branch1][N][C][=Branch1][C][=O][C][=Branch1][=Branch1][=C][C][Ring1][#Branch1][=O][C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][C][C][=C][Branch1][C][C][C][C]"}]