$9)$ Using the carbon$-$containing starting material$($s$),$ propose a synthesis the following retrosynthesis scheme. Provide structures for all intermediates. The carbon atoms in the product must originate from the starting material$($s$),$ but you may use as many equivalents of each are required$).$ Using the carbon$-$containing starting material$($s$),$ propose a synthesis the following retrosynthesis scheme. Provide structures for all intermediates. The carbon atoms in the product must originate from the starting material$($s$),$ but you may use as many equivalents of each starting material as you${}_0$Longrightarrow$$