You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-1-acetyl-N-[(2S)-1-[[(2S)-3-(1H-imidazol-5-yl)-1-[[(2S)-4-[2-[(2S)-4-(2-methylbutylamino)-3-oxo-1-phenylbutan-2-yl]hydrazinyl]-3-oxo-1-phenylbutan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]pyrrolidine-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C47H61N9O6
assistant