[{"from": "human", "value": "Could you provide a description of this molecule? [C][/C][=Branch1][#C][=C][Branch1][#Branch1][/C][C][=Branch1][C][=O][O][\\C][=Branch1][C][=O][O][/C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a tricarboxylic acid compound consisting of but-2-ene having carboxy substituents at the 1-, 2- and 3-positions. It is a conjugate acid of a (2E)-but-2-ene-1,2,3-tricarboxylate."}]