Predict the major organic product formed when the compound shown below undergoes reaction with $CH3$ONa in $C{H}_{3}OH.$

Interactive $3$D display mode

Draw the molecule on the canvas by choosing buttons from the Tools $($for bonds$),$ Atoms, and Advanced Template toolbars. The single bond is active by default. Show the appropriate stereochemistry by choosing the dashed or wedged buttons and then clicking a bond on the canvas.