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 [2-(4-bromo-2-ethyl-5-methylpyrazol-3-yl)-1-(1,4-diazabicyclo[2.2.2]octan-2-yl)ethyl]hydrazine .
user
C14H25BrN6
assistant