You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-butyl-4-(4-phenylpiperazin-1-yl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidine into molecular formula.
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C24H30N4S
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