You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (3aR,7aS)-3a-[3-(5,7-dimethylpyrazolo[1,5-a]pyrimidin-3-yl)-1,2,4-oxadiazol-5-yl]-2,3,4,6,7,7a-hexahydro-1H-pyrano[4,3-b]pyrrole .
user
C17H20N6O2
assistant