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 1-[[(2S)-1,4-dimethylpiperazin-2-yl]methyl]-3-[2-(4-fluoro-2-methylphenyl)ethyl]urea .
user
C17H27FN4O
assistant