You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[2-(4-tert-butylphenyl)ethynyl]-5-[2-[4-[(4,6-dimethylpyridin-2-yl)carbamoyl]phenyl]ethynyl]-N-[4-(2,5-dioxopyrrol-1-yl)phenyl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C45H36N4O4
assistant