You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(2S)-2-amino-3-[[(2S)-1-[[2-[[(2S)-1-(2-hydroxyethylamino)-1-oxo-3-phenylpropan-2-yl]-methylamino]-2-oxoethyl]amino]-1-oxopropan-2-yl]amino]-3-oxopropyl]benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H36N6O6
assistant