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 ethyl 4-[2-[3-[[(cyanoamino)-(3-methylanilino)methylidene]amino]-2-oxoazepan-1-yl]acetyl]piperazine-1-carboxylate .
user
C24H33N7O4
assistant