Write the correct chemical structure from the following data. CHI5NO, IHD = 5, IR, 3352, 3180, 1647, TH NMR (200MHz, CDC13) 8 1.75-1.97 (m, 5H), 2.66 (t./= 7.3 Hz, 2H), 3.29 (9.) = 7.1 Hz, 2H), 5.60 (brs, 1H), 7.05-7.40 (m, 5H), 13C NMR (75MHz, CDCI3) 8 170.40, 141.16, 128.06, 128.00, 125.59, 38.90, 32.90, 30.71, 22.72 m/2 = 177.1 (M), 162 (M-15), 134 (M*-43), 77