You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
benzyl N-[(5R)-5-amino-6-[4-[bis[4-[[(2R)-2-amino-6-(phenylmethoxycarbonylamino)hexanoyl]-methylamino]phenyl]methyl]-N-methylanilino]-6-oxohexyl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C64H79N9O9
assistant