You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
benzyl N-[(2S)-3-(2,6-dimethyl-4-phenylmethoxyphenyl)-2-methyl-1-oxo-1-[[(2R)-1-oxo-1-(3-phenylpropylamino)propan-2-yl]amino]propan-2-yl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C39H45N3O5
assistant