You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl (2Z,5S)-2-[(5-bromo-2-methoxyphenyl)methylidene]-3-oxo-5,7-diphenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H23BrN2O4S
assistant