You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[(2R)-1-[[(2R)-1-[[(2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H42N4O7
assistant