You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 2-[[(5Z)-5-[(3-bromophenyl)methylidene]-4-oxo-1,3-thiazol-2-yl]sulfanyl]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H12BrNO3S2
assistant