You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(3S)-3-(1,3-dimethylpyrazolo[3,4-b]pyridin-6-yl)-3-methylpiperidin-1-yl]-[6-[(2-methoxyphenyl)methyl]pyridin-3-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H31N5O2
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