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 [(4S)-2-ethylsulfonyl-8-oxa-2-azaspiro[4.5]decan-4-yl]-morpholin-4-ylmethanone is given. What is its corresponding molecular formula?
user
C15H26N2O5S
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