[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a cyclic carotene with a beta- and an epsilon-ring at opposite ends respectively. It has a role as a provitamin A and a plant metabolite. It is a cyclic carotene and a carotenoid beta-end derivative."}, {"from": "gpt", "value": "[C][C][=C][Branch1][=N][C][Branch1][=Branch1][C][C][C][Ring1][=Branch1][Branch1][C][C][C][/C][=C][/C][=Branch2][Ring2][=Branch2][=C][/C][=C][/C][=Branch2][Ring1][P][=C][/C][=C][/C][=C][Branch1][C][\\C][/C][=C][/C][=C][Branch1][C][\\C][/C][=C][/C][C][=Branch1][O][=C][C][C][C][Ring1][=Branch1][Branch1][C][C][C][C][/C][/C]"}]