Current Attempt in Progress Propose an efficient synthesis for the following transformation: OH The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagent(s) 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. A B NaOEt t-BOK PCC, CH2Cl2 D E F conc. H2SO4, heat 1) MeMgBr 2) H30* Na2Cr2O7. H2SO4, H20 G H Br2 TsCl.py 1) BH3-THF 2) H2O2, H20 e Textbook and Media Hint