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 5-(3-methylidene-2,6-dihydropyridin-1-yl)-N-[3-[4-(2-methylpyridin-4-yl)phenyl]prop-1-en-2-yl]pyridin-2-amine .
user
C26H26N4
assistant