You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named ethyl (5Z)-5-[(3-bromo-5-methoxy-4-prop-2-ynoxyphenyl)methylidene]-2-butanoylimino-4-hydroxythiophene-3-carboxylate is given. What is its corresponding molecular formula?
user
C22H22BrNO6S
assistant