You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-(4-chlorophenyl)piperidin-1-yl]-[6-(4-hydroxyphenyl)-3-methyl-2H-pyrazolo[3,4-b]pyridin-4-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H23ClN4O2
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