You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-amino-N-[(4R)-2-[[4-[2-[(ethylcarbamoylamino)methyl]phenyl]phenyl]methyl]-1-oxo-4,5-dihydro-3H-2-benzazepin-4-yl]-2-methylpropanamide into its molecular formula.
user
C31H37N5O3
assistant