propose an efficient synthesis for the following transformation

Propose an efficient synthesis for the following transformation: ao The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagents) in the correct order, as a string of letters without spaces or punctuation, such as "EBF"). If there is more than one correct solution provide just one answer D t-BUN 1) MeMgr. 2) H30 Na,Cr2OH,OH,O B NaOH E H Hy Lindlar's cat H Pt TSCLPY dilute H2SO4 K L 1) LAH2H0 OMP or PCC 1) EtMgBr: 211,0 1) BHgIHF 2) H . NaOH IGA