You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-fluoro-3-[6-[[3-fluoro-1-(3-fluoropyridin-2-yl)cyclobutyl]methylamino]pyridazin-3-yl]phenyl]-N-(2,2,2-trifluoroethyl)formamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H19F6N5O
assistant