You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-[4-(2,5-difluorophenyl)-1,3-thiazol-2-yl]-3-methyl-1-oxo-4H-isochromene-3-carboxamide ?
user
C20H14F2N2O3S
assistant