[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is dianion of 2-C-methyl-D-erythritol 2,4-cyclic diphosphate. It is a conjugate base of a 2-C-methyl-D-erythritol 2,4-cyclic diphosphate."}, {"from": "gpt", "value": "[C][C@@][Branch2][Ring1][#Branch2][C@@H1][Branch2][Ring1][Branch1][C][O][P][=Branch1][C][=O][Branch1][N][O][P][=Branch1][C][=O][Branch1][Ring2][O][Ring1][#Branch2][O-1][O-1][O][C][O]"}]