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 ethyl (2E,5S)-7-methyl-5-(4-methylphenyl)-2-[[4-[2-nitro-4-(trifluoromethyl)phenoxy]phenyl]methylidene]-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate ?
user
C31H24F3N3O6S
assistant