You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 6-propan-2-yl-2-[3-[4-(1,3-thiazol-2-yl)phenyl]butyl]-1,3-benzothiazole by IUPAC nomenclature, provide its molecular formula.
user
C23H24N2S2
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