You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl (2E)-2-[(2S)-2-[(2Z)-2-[(4-chlorophenyl)methylidene]hydrazinyl]-4-oxo-1,3-thiazolidin-5-ylidene]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H12ClN3O3S
assistant