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 ethyl 4-[[(4E)-4-[hydroxy-[4-(2-methylpropoxy)phenyl]methylidene]-2,3-dioxo-5-phenylpyrrolidin-1-yl]methyl]benzoate .
user
C31H31NO6
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