[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an odorless white to grayish-white very fine crystalline powder (unctuous). Readily adheres to the skin. Nonflammable, noncombustible, and nontoxic."}, {"from": "gpt", "value": "[O].[O][=Mg].[O][=Mg].[O][=Mg].[O][=Si][=O].[O][=Si][=O].[O][=Si][=O].[O][=Si][=O]"}]