You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[6-methyl-2-oxo-3-(2-pyridin-2-ylethylamino)pyrazin-1-yl]-N-(1H-pyrrolo[2,3-b]pyridin-5-ylmethyl)acetamide;molecular hydrogen is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H29N7O2
assistant