You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(2R,3S,4R,5S,6S)-2-(2,2-dimethylpropanoyloxymethyl)-5-ethoxy-3-hydroxy-6-methoxyoxan-4-yl]sulfamic acid into its molecular formula.
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C14H27NO9S
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