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 2-amino-6-(1-cyanoethyl)-N-(4-methoxypyridin-3-yl)-1,2,3,3a,4,5,6,7-octahydropyrazolo[1,5-a]pyrimidine-3-carboxamide .
user
C16H23N7O2
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