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-[(2S)-4,4-difluoro-2-(hydroxymethyl)pyrrolidin-1-yl]piperidin-1-yl]-(1-ethyl-5-methylpyrazol-4-yl)methanone .
user
C17H26F2N4O2
assistant