You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(5-methyl-1,2-oxazol-3-yl)methyl]-3-(1,3,4-trimethyl-6-oxo-7H-pyrazolo[3,4-b]pyridin-5-yl)propanamide is the IUPAC name of a molecule. Please give its molecular formula.
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C17H21N5O3
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