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 4-[4-[5-[(2S)-pyrrolidin-2-yl]-1,2,4-oxadiazol-3-yl]-2-(trifluoromethyl)phenoxy]butyl acetate .
user
C19H22F3N3O4
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