You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-4-(1,3-benzothiazol-2-yl)-5-(4-bromothiophen-2-yl)pent-4-enoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H12BrNO2S2
assistant