You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[1-[[5-(ethylamino)-1,5-dioxo-1-(3-phenoxyanilino)pentan-2-yl]carbamoyl]cyclobutanecarbonyl]amino]-4-oxo-5-(2,3,5,6-tetrafluorophenoxy)pentanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C36H36F4N4O9
assistant