You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[2-[[3-fluoro-1-(3-fluoropyridin-2-yl)cyclobutyl]methylamino]-1,2-dihydropyrimidin-5-yl]pyridine-2-carboxamide into its molecular formula.
user
C20H20F2N6O
assistant