You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (4E)-5-(4-hydroxy-3-methoxyphenyl)-4-[hydroxy(pyridin-4-yl)methylidene]-1-(1,3-thiazol-2-yl)pyrrolidine-2,3-dione .
user
C20H15N3O5S
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