You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule ethyl 2-[(1R,5S)-3-(4-methylphenyl)sulfonyl-6,8-dioxa-3-azabicyclo[3.2.1]octan-5-yl]acetate into molecular formula.
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C16H21NO6S
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