You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4E)-5-(4-chlorophenyl)-1-[5-[(2-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-4-[hydroxy(pyridin-4-yl)methylidene]pyrrolidine-2,3-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H16Cl2N4O3S2
assistant