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 2-methoxyethyl (3R,4S)-4-[4-carbamoyl-3-(4-fluoroanilino)pyrazol-1-yl]-3-cyanopiperidine-1-carboxylate .
user
C20H23FN6O4
assistant