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 ethyl (2Z)-5-(4-fluorophenyl)-7-methyl-2-[(5-methylfuran-2-yl)methylidene]-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate ?
user
C22H19FN2O4S
assistant