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 (2S)-2-amino-3-[3,4-bis(2-methylpropanoyloxy)phenyl]-4-methyl-5-[(2-methylpropan-2-yl)oxycarbonyloxy]pentanoic acid .
user
C25H37NO9
assistant