[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a monocarboxylic acid anion that is the conjugate base of bumadizone, obtained by deprotonation of the carboxy group. It is a conjugate base of a bumadizone."}, {"from": "gpt", "value": "[C][C][C][C][C][Branch2][Ring1][=Branch2][C][=Branch1][C][=O][N][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O-1]"}]