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 4-amino-6-[4-(butylamino)phenyl]-2-[[6-[3-(4-methylpiperazin-1-yl)-3-oxopropyl]pyridin-2-yl]methylsulfanyl]pyrimidine-5-carbonitrile .
user
C29H36N8OS
assistant