You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4-[(7S)-2-[(2S)-butan-2-yl]-7-methyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl]-N-(3-ethylphenyl)piperazine-1-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C28H37N5OS
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