You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[3-(2,6-dimethoxyphenyl)-2-(6-ethoxypyridin-2-yl)imidazo[4,5-b]pyrazin-5-yl]-1-(5-fluoropyridin-2-yl)methanesulfonamide .
user
C26H24FN7O5S
assistant