So, the IUPAC name of the given formula is hex-\(1\)-en-\(5\)-yne or \(1\)-hexene-\(5\)-yne.
\(\stackrel{1}{ CH _2}=\stackrel{2}{ CH }-\stackrel{3}{ CH _2}-\stackrel{4}{ C } H _2-\stackrel{5}{ C } \equiv \stackrel{6}{ CH }\)
$\begin{array}{*{20}{c}}
{Me} \\
{|\,\,\,\,} \\
{{H_2}C - N - C - Et} \\
{\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,|\,\,} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Me\,\,\,\,\,C{H_2}C{H_3}}
\end{array}$
$\begin{array}{*{20}{c}}
{C{H_2} - C = CH - C - N{H_2}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{N{H_2}\,\,\,\,\,\,\,\,\,\,OC{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$