[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a glycerophosphoglycerol(1-) obtained by deprotonation of the phosphate OH group of sn-glycero-3-phosphoglycerol; major species at pH 7.3. It is a conjugate base of a sn-glycero-3-phosphoglycerol."}, {"from": "gpt", "value": "[C][Branch2][Ring1][#Branch1][C@H1][Branch2][Ring1][C][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][Branch1][Ring1][C][O][O][O][O]"}]