You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule tert-butyl N-[2-[(2-methylcyclopropyl)-[2-oxo-1-phenyl-2-(propan-2-ylamino)ethyl]amino]-2-oxoethyl]carbamate .
user
C22H33N3O4
assistant