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 1-ethyl-2-[2-[(1-methylpyrazolo[3,4-d]pyrimidin-4-yl)amino]ethyl]-3-(3-methylsulfanylcyclopentyl)guanidine .
user
C17H28N8S
assistant