You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[3-[3-[[(2R)-2-hydroxy-3-[(2-methyl-5-phenylpentan-2-yl)amino]propyl]-methylsulfamoyl]phenyl]phenyl]propanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C31H40N2O5S
assistant