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 methyl 3-[N-[4-[butanoyl-[2-(dimethylamino)ethyl]amino]phenyl]-C-phenylcarbonimidoyl]-2-oxo-1,3-dihydroindole-6-carboxylate .
user
C31H34N4O4
assistant