In the title compound, C(23)H(20)F(3)N(5)O, the piperazine ring adopts a chair conformation. The quinoline ring makes dihedral angles of 56.61 (11), 49.94 (12) and 42.58 (14)° with the piperazine ring, the 1,3,4-oxadiazole ring and the benzene ring, respectively. An intra-molecular C-H⋯O hydrogen bond generates an S(7) ring motif. In the crystal, mol-ecules are linked into infinite chains along the b axis by C-H⋯N hydrogen bonds.
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