You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[1-[[2-(benzylamino)-1-(4-methylphenyl)-2-oxoethyl]-cyclopropylamino]-4-methyl-1-oxopentan-2-yl]carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H41N3O4
assistant