[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a prephytoene diphosphate. It is an enantiomer of a (1R,2R,3R)-prephytoene diphosphate."}, {"from": "gpt", "value": "[C][C][=Branch2][=Branch1][=N][=C][C][C][/C][=Branch2][=Branch1][Branch1][=C][/C][C][/C][=Branch2][Branch1][=N][=C][/C][C][/C][=Branch2][Branch1][Branch1][=C][/C@H1][C@@H1][Branch2][Ring1][=N][C@@][Ring1][Ring1][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][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][/C][/C][/C][C]"}]