You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 5-[(2Z,4E)-2-ethenyl-5-methyl-6-(2-oxopyridin-1-yl)hexa-2,4-dienyl]-N-(2-iminopropyl)pyridine-3-carboxamide ?
user
C23H26N4O2
assistant