[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid dianion that results from the deprotonation of both of the carboxylic acid groups of itaconic acid. It has a role as a human metabolite, a fungal metabolite and a Saccharomyces cerevisiae metabolite. It is functionally related to a succinate(2-). It is a conjugate base of an itaconic acid."}]