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 tert-butyl N-[4-(3,5-dihydroxy-5-methyloxan-2-yl)oxy-2-[(6-ethyl-3-methyl-3,4-dihydro-2H-pyran-2-yl)oxy]-3-hydroxy-5-(propylamino)cyclohexyl]carbamate .
user
C28H50N2O9
assistant