You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[(3R,4S)-1-(1-ethyl-3,5-dimethylpyrazole-4-carbonyl)-4-morpholin-4-ylpiperidin-3-yl]propanoic acid into its molecular formula.
user
C20H32N4O4
assistant