You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name (2S)-N-(4-amino-1-cyclopropyl-3,4-dioxobutan-2-yl)-1-[(2S)-2-[[(2S)-1-(2,5-dioxoimidazolidin-1-yl)-3,3-dimethylbutan-2-yl]carbamoylamino]-3,3-dimethylbutanoyl]pyrrolidine-2-carboxamide ?
user
C28H45N7O7
assistant