[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a biladiene that is a linear tetrapyrrole and a regioisomer of bilirubin IXalpha, in which the dipyrroles are of endovinyl type only. It is a member of biladienes and a dicarboxylic acid."}, {"from": "gpt", "value": "[C][C][=C][Branch2][Branch1][#Branch1][N][C][=Branch1][O][=C][Ring1][Branch1][C][C][C][=Branch1][C][=O][O][C][C][=C][Branch2][Ring1][N][C][=Branch2][Ring1][#Branch1][=C][Branch1][Ring2][N][Ring1][Branch1][/C][=C][\\N][C][=Branch1][C][=O][C][=Branch1][=Branch1][=C][/-Ring1][=Branch1][C][=C][C][C][C][C][C][=Branch1][C][=O][O][/C][=C][\\N][C][=Branch1][C][=O][C][=Branch1][=Branch1][=C][/-Ring1][=Branch1][C][=C][C]"}]