You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[[2-[[2-[[2-amino-3-(4-hydroxyphenyl)propanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxybutanoyl]amino]-3-(1H-indol-3-yl)propanoic acid into its molecular formula.
user
C28H35N5O8
assistant