You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4Z)-1-[5-[(2,4-dichlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-(4-hydroxy-3-methoxyphenyl)-4-[hydroxy-(4-methylphenyl)methylidene]pyrrolidine-2,3-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H21Cl2N3O5S2
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