You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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3-[2-[3-[(3-hydroxypyrrolidin-1-yl)methyl]phenyl]-5H-pyrrolo[2,3-b]pyrazin-7-yl]-2,2-dimethylpropanal is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H26N4O2
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