You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (E)-N-[(2R)-1-[[(2R)-1-[(3-hydroxy-2,2-dimethylpropyl)amino]-1-oxo-3-phenylpropan-2-yl]-methylamino]-1-oxo-3-(4-phenylphenyl)propan-2-yl]-N,5-dimethyl-5-(methylamino)hex-2-enamide .
user
C39H52N4O4
assistant