You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named benzyl N-[2-[3,5-bis[2-[[(2S)-2,6-bis[5-(3-acetamido-6-ethyl-4,5-dimethyloxan-2-yl)oxypentanoylamino]hexanoyl]amino]ethylcarbamoyl]phenoxy]ethyl]carbamate by IUPAC nomenclature, provide its molecular formula.
user
C98H161N13O23
assistant