[{"from": "human", "value": "Please give me some details about 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][O].[NH4+1].[NH4+1]"}, {"from": "gpt", "value": "The molecule is a citrate salt in which two of the three carboxy groups are deprotonated and associated with ammonium ions as counter-cations. It has a role as a buffer. It is an ammonium salt and a citrate salt."}]