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 6-(2,2-difluoroethoxy)-4-[4-(difluoromethoxy)phenyl]-2-quinolin-6-ylpyrido[3,2-c]pyridazin-3-one .
user
C25H16F4N4O3
assistant