[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@][Branch1][Ring1][C][O][Branch2][Branch1][=Branch1][C@@H1][Branch2][Ring2][P][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C@@H1][C@H1][Branch2][Ring1][Branch2][C@H1][Branch2][Ring1][Ring1][C@@H1][Branch1][Ring2][O][Ring1][Branch1][N][C][=C][C][=Branch1][=Branch1][=N][C][Ring1][=Branch1][=O][N][O][O][O][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1]"}, {"from": "gpt", "value": "The molecule is tetraanion of 4-CDP-2-C-methyl-D-erythritol 2-phosphate arising from deprotonation of phosphate and diphosphate groups; major species at pH 7.3. It is a conjugate base of a 4-CDP-2-C-methyl-D-erythritol 2-phosphate."}]