[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O].[Na+1].[Na+1].[Na+1]"}, {"from": "gpt", "value": "The molecule is the trisodium salt of citric acid. It has a role as a flavouring agent and an anticoagulant. It contains a citrate(3-)."}]