You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[3-[4-[2-(4-tert-butylphenyl)ethyl]-3-(trifluoromethyl)phenyl]-1,2,4-oxadiazol-5-yl]pyrrolidine-1-carboximidamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H30F3N5O
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