You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (4Z)-2-(4-bromophenyl)-4-[(3-methoxy-4-propoxyphenyl)methylidene]-1,3-oxazol-5-one using the IUPAC nomenclature.
user
C20H18BrNO4
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