You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 5-[5-[(Z)-[2-(4-hydroxy-2-methylphenyl)imino-4-oxo-1,3-thiazolidin-5-ylidene]methyl]-1,3-thiazol-2-yl]-4-oxopentanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H19N3O5S2
assistant