You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-N-[7-[5-[[2-(methylamino)ethylamino]methyl]-1-benzothiophen-2-yl]-1H-indazol-5-yl]pyrimidine-2,4-diamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H24N8S
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