You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-(1,3-dioxoisoindol-2-yl)propan-2-yl]-3-fluoro-N-(2-fluoroethyl)-2-(triazol-2-yl)benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H19F2N5O3
assistant