You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 3-(3-ethyl-7-fluoroindazol-1-yl)-5-[1-[[(2R)-pyrrolidin-2-yl]methyl]piperidin-4-yl]-1,2,4-oxadiazole ?
user
C21H27FN6O
assistant