You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (2R)-2-methylsulfonyl-N-[(2R)-2-morpholin-4-yl-2-[(3S)-oxolan-3-yl]ethyl]propanamide is given. What is its corresponding molecular formula?
user
C14H26N2O5S
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