[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an organic anion. It is functionally related to a L-serine zwitterion."}, {"from": "gpt", "value": "[C][=C][Branch2][Ring1][=C][C][=C][Branch2][Ring1][Branch2][C][=Branch2][Ring1][Ring1][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][O][C][=Branch1][C][=O][O-1][O][O][C@H1][C@@H1][Branch1][P][C@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][O]"}]