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 identified by 2-[(4S)-4-(2-methylsulfanylethyl)-2,5-dioxoimidazolidin-1-yl]-N-(2,3,4-trifluorophenyl)acetamide ?
user
C14H14F3N3O3S
assistant