You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
benzhydryl (3S)-3-[[(2S,3R,5R)-5-[[(2S)-2-amino-4-methylpentanoyl]amino]-2,3,6-trihydroxyhexanoyl]amino]-3-phenylpropanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H43N3O7
assistant