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 N-(3-cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-2-[4-(1-methylpyrazolo[3,4-d]pyrimidin-4-yl)piperazin-1-yl]acetamide .
user
C22H26N8OS
assistant