You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-tert-butyl-4-[4-[[2-[cyclopentanecarbonyl(propan-2-yl)amino]acetyl]amino]phenyl]piperazine-1-carboxamide .
user
C26H41N5O3
assistant