You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-[(2-aminopyrimidin-4-yl)carbamoyl]-1H-benzimidazol-2-yl]isoquinoline-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H16N8O2
assistant