You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[5-[5-(methylideneamino)-5-(propanoylamino)penta-2,4-dien-2-yl]-2H-pyrazolo[3,4-b]pyridin-3-yl]-1H-benzimidazole-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H22N8O2
assistant