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 5-[[1-[4-(diethylamino)phenyl]-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylimidazolidine-2,4-dione .
user
C22H28N4O2
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