You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 3-[(2E)-5-methoxy-2-[(2E)-2-(4-oxo-3-phenyl-2-sulfanylidene-1,3-thiazolidin-5-ylidene)ethylidene]-1,3-benzothiazol-3-yl]propanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H22N2O4S3
assistant