You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 2-[methyl-[1-([1,2,4]triazolo[4,3-a]pyrazin-8-yl)piperidin-4-yl]amino]acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H26N6O2
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