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 4-(2-ethylpyrazol-3-yl)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidine-3-carboxylic acid .
user
C15H23N3O4
assistant