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 1-[4-[(5S,6S)-6-hydroxy-1-methylsulfonyl-1,8-diazaspiro[4.5]decan-8-yl]piperidin-1-yl]ethanone is given. What is its corresponding molecular formula?
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C16H29N3O4S
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