`CH_3 CH_2 Cl overset ("NaOH")to X overset ("Ni//H_2") to Y overset("Acetic") underset("anhydride") to Z`
Z in the above sequence is
A. `CH_(3)CH_(2)CH_(2)NHCOCH_(3)`
B. `CH_(3)CH_(2)CH_(2)NH_(2)`
C. `CH_(3)CH_(2)CH_(2)CONHCH_(3)`
D. `CH_(3)CH_(2)CH_(2)CONHCOCH_(3)`