You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4S)-4-[[4-(3-ethoxyphenyl)benzoyl]amino]-5-[(2-methyl-1-phenylpropan-2-yl)amino]-5-oxopentanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H34N2O5
assistant