[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a mineral with formula of Cu2+Cl2\u00b72H2O or CuCl2\u00b72H2O. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Ech."}, {"from": "gpt", "value": "[O].[O].[Cl][Cu][Cl]"}]