You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[(1S)-2-[[(2S)-1-[(2S,3R)-2-[[1-cyclobutyl-4-(cyclopropylamino)-3,4-dioxobutan-2-yl]carbamoyl]-3-(2-methylprop-1-enyl)pyrrolidin-1-yl]-3,3-dimethyl-1-oxobutan-2-yl]amino]-1-cyclohexyl-2-oxoethyl]pyrazine-2-carboxamide .
user
C39H57N7O6
assistant