You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[2-methyl-2-(1-methylpyrazol-4-yl)morpholin-4-yl]-2-thiomorpholin-3-ylethanone;dihydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H26Cl2N4O2S
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