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 2-amino-5-[[1-(carboxymethylamino)-3-[2-hydroxy-3-(4-methoxyphenyl)-3-oxo-1-phenylpropyl]sulfanyl-1-oxopropan-2-yl]amino]-5-oxopentanoic acid .
user
C26H31N3O9S
assistant