The reaction of chloroform with alcoholic $\mathrm{KOH}$ and toluidine forms

The major product of the reaction is

The products $\mathrm{X}$ and $\mathrm{Y}$ in the following reaction sequence are:

${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Cl}\stackrel{\mathrm{NaCN}}{⟶}\mathrm{X}\stackrel{\mathrm{Ni}/{\mathrm{H}}_2}{⟶}\mathrm{Y}$$\stackrel{\mathrm{acetic} \mathrm{anhydride} }{\to }$$\mathrm{Z}$

$\mathrm{Z}$ in the above reacting sequence is