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-[3-methyl-1-[2-[5-[2-[4-[[1-[3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]pyrrolidine-2-carbonyl]amino]phenyl]ethynyl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-1-oxobutan-2-yl]carbamate .
user
C40H57N7O7
assistant