You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-propan-2-yl-5-[(3R)-1-(1H-pyrrolo[2,3-b]pyridin-6-yl)piperidin-3-yl]-1,2,4-oxadiazole .
user
C17H21N5O
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