[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a mineral with formula of Ca(C2)6+O4\u00b7H2O or Ca(C2O4)\u00b7H2O. The corresponding IMA (International Mineralogical Association) number is IMA1967 s.p.. The IMA symbol is Whe."}, {"from": "gpt", "value": "[C][=Branch1][C][=O][Branch1][=Branch1][C][=Branch1][C][=O][O][O].[O].[Ca]"}]