You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-(2-cyanoethylamino)-3-(1H-indol-3-yl)-1-oxopropan-2-yl]-1-methylindole-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H23N5O2
assistant