You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S)-4-chloro-3-(2,4-dimethylanilino)-5-oxo-2H-furan-2-yl] 2-fluorobenzoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H15ClFNO4
assistant