You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(4-fluorophenyl)-N-[[3-(2,2,2-trifluoroethoxy)phenyl]methyl]-1,2,4-oxadiazol-5-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H13F4N3O2
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