[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a mineral with formula of (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2\u00b7nH2O. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Mnt."}, {"from": "gpt", "value": "[O].[O-2].[O-2].[O-2].[O][=Si][=O].[O][=Si][=O].[O][=Si][=O].[O][=Si][=O].[Al+3].[Al+3]"}]