You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-1-(cyclobutanecarbonyl)-N-[4-[(E)-2-[4-[[(2S)-1-[4-(dimethylamino)benzoyl]pyrrolidine-2-carbonyl]amino]phenyl]ethenyl]phenyl]pyrrolidine-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C38H43N5O4
assistant