You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 1-[(1-phenylpyrazol-3-yl)methyl]-3-[(3S)-1-propanoylpyrrolidin-3-yl]urea using the IUPAC nomenclature.
user
C18H23N5O2
assistant