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The title structure is stabilized by a hydrogen bond between O2 and H8C, which measures 2.49 (2) Å and pi-stacking interactions between adjacent benzene rings, which measures 3.871 (11) Å. Oxygen atoms are shown in red, carbon atoms in black, hydrogen atoms in white, and nitrogen atoms in blue. Symmetry equivalent pi-stacking and hydrogen bonding are indicated by red and blue dashed lines, respectively.
