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 1-[(2R)-2-[bis(2-methylpropyl)amino]-3-[(3S)-3-[(4-fluorophenyl)methyl]piperidin-1-yl]-3-oxopropyl]-3-(1-methyltetrazol-5-yl)urea .
user
C26H41FN8O2
assistant