You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[amino-(2,6-diamino-5-formylpyridin-3-yl)methylidene]-4-(2-pyridin-3-ylethyl)benzamide;ethane The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H26N6O2
assistant