You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[1-(methylideneamino)isoquinolin-6-yl]methyl]-2-[(3-methylisoquinolin-6-yl)methyl]pyridine-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H23N5O
assistant