[{"from": "human", "value": "Could you provide a description of this molecule? [C][=Branch1][C][=O][Branch1][C][O][O-1].[C][=Branch1][C][=O][Branch1][C][O-1][O-1].[O].[O].[Na+1].[Na+1].[Na+1]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of Na3(HCO3)(CO3)\u00b72H2O. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Tn."}]