You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-(3,4-difluorophenyl)-3-[(3,5-difluorophenyl)methyl]-3-methyl-1-pyrimidin-2-yl-2H-indole into its molecular formula.
user
C26H19F4N3
assistant