You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-ethyl-5-imino-4-[[3-methoxy-4-[[2-(trifluoromethyl)phenyl]methoxy]phenyl]methylidene]-3-methylimidazolidin-2-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H22F3N3O3
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