You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(5Z)-5-[(3,5-dichloro-2-methoxyphenyl)methylidene]-4-oxo-1,3-thiazol-2-yl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H10Cl2N2O3S
assistant