You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[6-(6-aminopyridin-3-yl)-5-(4-chlorophenyl)-4-oxopyrazolo[3,4-d]pyrimidin-1-yl]-N,N-dimethylbenzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H20ClN7O2
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