You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[[4-chloro-6-(4-ethylpiperazin-1-yl)pyrimidin-2-yl]sulfanylmethyl]-N-(furan-2-ylmethyl)benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H26ClN5O2S
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