You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[4-[3-(2-aminoethoxy)quinoxalin-6-yl]-5-(6-methylpyridin-2-yl)-1H-imidazol-2-yl]methyl]-3-fluoropyridin-4-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H23FN8O
assistant