You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named potassium;[(1S)-1-[(2S,3S)-3-[(1R)-1-hydroxyethyl]-4-oxo-1-sulfoazetidin-2-yl]ethoxy]methanimidate is given. What is its corresponding molecular formula?
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C8H13KN2O7S
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