You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2,6-difluoro-N-[2-(4-methyl-5-oxo-3-phenyl-1,2,4-triazol-1-yl)ethyl]benzamide ?
user
C18H16F2N4O2
assistant