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)-4-[[4-[(2S)-butan-2-yl]oxy-3-chloro-5-ethoxyphenyl]methylidene]-1-phenylpyrazolidine-3,5-dione using the IUPAC nomenclature.
user
C22H23ClN2O4
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