You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[2-[[2-[[2-amino-3-(1H-indol-3-yl)propanoyl]amino]-4-methylpentanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-4-methylsulfanylbutanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H41N5O6S
assistant