You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
benzyl N-benzyl-N-[(1S)-1-[(2S)-5-iodo-6-methyl-3,4-dihydro-2H-pyran-2-yl]ethyl]carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H26INO3
assistant