You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[(1E,4Z)-5,8-diethoxy-4-(trifluoromethyl)cycloocta-1,4,7-trien-1-yl]-3-[3-[9-(pyridin-4-ylmethoxy)-2H-pyrazino[1,2-a]pyrimidin-7-yl]phenyl]urea into its molecular formula.
user
C33H33F3N6O4
assistant