You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 8-ethenyl-2-(2-methoxy-4-piperazin-1-ylanilino)-5,9-dimethyl-7-methylsulfanylpyrimido[4,5-b][1,4]diazepin-6-one .
user
C23H29N7O2S
assistant