You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-[(2R)-2-[(3R)-4-(1-benzothiophen-2-yl)-4,4-difluoro-3-hydroxybut-1-enyl]-6-oxopiperidin-1-yl]heptanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H29F2NO4S
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