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 5-[[1-carboxy-4-[2-[2-methyl-4-(2-methyl-5-oxohexan-2-yl)oxybutan-2-yl]oxyethylamino]-4-oxobutyl]amino]-2,2,4,4-tetramethyl-5-oxopentanoic acid .
user
C28H50N2O9
assistant