[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch1][=Branch2][C][C][C][C][=Branch1][C][=O][O-1][C][C][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of 3-hydroxysebacic acid. It is a 3-hydroxysebacate, a dicarboxylic acid dianion and a 3-hydroxydicarboxylate(2-). It is a conjugate base of a 3-hydroxysebacic acid."}]