You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name dilithium;butane;butyl-[[dimethyl(oxido)silyl]oxy-dimethylsilyl]oxy-dimethylsilane;2,2,4,4,6,6-hexamethyl-1,3,5,2,4,6-trioxatrisilinane;methane into its molecular formula.
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C21H58Li2O6Si6
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