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 (2S)-2-acetamido-N-[[(2S)-8-benzyl-1-oxa-8-azaspiro[4.5]decan-2-yl]methyl]-3-methylbutanamide .
user
C23H35N3O3
assistant