You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[1-methyl-5-[4-(2-methylpropyl)phenyl]sulfonyl-6,7-dihydro-4H-pyrazolo[4,3-c]pyridin-3-yl]-5-phenyl-1,3,4-oxadiazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H27N5O3S
assistant