[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a tetracarboxylic acid anion that is the conjugate base of gadoteric acid. It is a conjugate base of a gadoteric acid."}, {"from": "gpt", "value": "[C][C][N][Branch2][Ring2][Ring1][C][C][N][Branch2][Ring1][#Branch1][C][C][N][Branch1][N][C][C][N][Ring1][N][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1].[Gd+3]"}]