You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-N-[(2S,5S)-4,4-difluoro-5-[[(2S)-3-methyl-2-(2-pyridin-2-ylethylsulfonylamino)butanoyl]amino]-3-oxo-1,6-diphenylhexan-2-yl]-3-methyl-2-(2-pyridin-2-ylethylsulfonylamino)butanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C42H52F2N6O7S2
assistant