Give the synthesis of the following molecule using cyclopentanone and any other reagent necessary.

Reaction scheme showing crossed aldol condensation using cyclopentanone and ethyl acetate.

Reaction diagram illustrating crossed aldol condensation with LDA and cyclopentanone.

Crossed aldol condensation reaction with cyclopentanone and ethanol anion.

Reaction scheme for crossed aldol condensation with cyclopentanone and ethyl acetate anion.