You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[1-[4-(1,1,1,2,3,3,3-heptafluoropropan-2-yl)-2,6-dimethylphenyl]triazol-4-yl]-2-methylpyridine-3-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H14F7N4O2-
assistant