[{"from": "human", "value": "Could you provide a description of this molecule? [C][=Branch1][#Branch1][=C][/C][=Branch1][C][=O][O-1][\\C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a C4-dicarboxylate that is the E-isomer of but-2-enedioate(2-) It has a role as a metabolite, a human metabolite and a Saccharomyces cerevisiae metabolite. It is a butenedioate and a C4-dicarboxylate. It is a conjugate base of a fumarate(1-)."}]