[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a dicarboxylic acid anion arising from deprotonation of both carboxylic acid functions of 5,6,7,8-tetrahydrofolic acid; major structure at pH 7.3 It is a tetrahydrofolate and a dicarboxylic acid dianion. It is a conjugate base of a 5,6,7,8-tetrahydrofolic acid."}, {"from": "gpt", "value": "[C][C][Branch2][Ring1][Ring1][N][C][=C][Branch1][Ring2][N][Ring1][=Branch1][N][=C][Branch1][=Branch1][N][C][Ring1][#Branch1][=O][N][C][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]"}]