[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a polyunsaturated dicarboxylic acid dianion. It has a role as a Saccharomyces cerevisiae metabolite. It is a conjugate base of a chorismic acid."}, {"from": "gpt", "value": "[C][=C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][C@@H1][C][=C][Branch1][#Branch1][C][=C][C@H1][Ring1][=Branch1][O][C][=Branch1][C][=O][O-1]"}]