You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[1-[cyanomethyl-[1-(4-hydroxy-3-methylphenyl)-2-oxo-2-(pentylamino)ethyl]amino]-1-oxo-3-phenylpropan-2-yl]carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H40N4O5
assistant