[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is the all-trans-isomer of zeta-carotene. It has a role as a plant metabolite."}, {"from": "gpt", "value": "[C][C][=Branch2][Branch1][Branch2][=C][C][C][/C][=Branch2][Ring2][S][=C][/C][C][/C][=Branch2][Ring2][Branch2][=C][/C][=C][/C][=Branch2][Ring1][S][=C][/C][=C][/C][=C][Branch2][Ring1][#Branch1][/C][=C][/C][=C][Branch1][S][/C][C][/C][=C][Branch1][=Branch2][/C][C][C][=C][Branch1][C][C][C][\\C][\\C][\\C][/C][/C][/C][C]"}]