You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5E)-3-(4-bromo-3-chlorophenyl)-5-(ethoxymethylidene)-2-sulfanylidene-1,3-thiazolidin-4-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H9BrClNO2S2
assistant