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 (Z)-3-piperidin-4-ylimino-2-[4-(1-propan-2-ylpyrazol-4-yl)pyrazolo[1,5-a]pyrazin-6-yl]prop-1-en-1-amine .
user
C20H26N8
assistant