You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-[cyclopropyl(1-methylsulfonylpropan-2-yl)amino]-1-piperazin-1-ylpropan-1-one;hydrochloride by IUPAC nomenclature, provide its molecular formula.
user
C14H28ClN3O3S
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