You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[3-fluoro-2-(1,3-oxazol-2-yl)phenyl]-[2-[[5-(trifluoromethyl)pyrazin-2-yl]amino]-7-azabicyclo[2.2.1]heptan-7-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H17F4N5O2
assistant