You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-chloro-4-[[(6S)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl]amino]benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H15ClN2OS2
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