You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(2,4,5-trifluorophenyl)-1-[6-[(2,4,5-trifluorophenyl)iminomethyl]pyridin-2-yl]methanimine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H9F6N3
assistant