You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-[(Z)-3-chloro-2-(4-methylphenyl)sulfanylprop-2-enyl]sulfanyl-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-4-one .
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C20H19ClN2OS3
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