You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl (2S)-2-[[[2-[5-bromo-6-oxo-4-[[(1R,2R,3R,5S)-2,6,6-trimethyl-3-bicyclo[3.1.1]heptanyl]amino]pyridazin-1-yl]acetyl]amino]methyl]pyrrolidine-1-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H40BrN5O4
assistant