You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule N-(4-bromo-2-fluorophenyl)-2-[[4-(4-ethylphenyl)-5-phenyl-1,2,4-triazol-3-yl]sulfanyl]acetamide ?
user
C24H20BrFN4OS
assistant