You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-amino-N-[(4-methylsulfanyloxan-4-yl)methyl]-2-(oxan-4-yl)acetamide;hydrochloride by IUPAC nomenclature, provide its molecular formula.
user
C14H27ClN2O3S
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