You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule (2R)-2-[(1R)-1-[3-[3-(trifluoromethyl)phenyl]-1,2,4-oxadiazol-5-yl]ethyl]sulfanylpropanamide ?
user
C14H14F3N3O2S
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