You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5Z)-5-[(5-bromo-2-prop-2-enoxyphenyl)methylidene]-2-sulfanylideneimidazolidin-4-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H11BrN2O2S
assistant