[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][N+1][Branch1][C][C][Branch1][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1].[Cl-1]"}, {"from": "gpt", "value": "The molecule is a mineral with formula of KNaCu2+3O(S6+O4)3 or KNaCu3O(SO4)3. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Ecr."}]