You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (4E)-4-[hydroxy(pyridin-3-yl)methylidene]-1-[2-(1H-indol-3-yl)ethyl]-5-(4-methylphenyl)pyrrolidine-2,3-dione .
user
C27H23N3O3
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