You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-cyclopropyl-2-(5-methyl-1,3,4-oxadiazol-2-yl)propan-2-yl]-5-(3-fluorooxetan-3-yl)-4-(1,1,1-trifluoropropan-2-yloxy)pyridine-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C21H24F4N4O4
assistant