Propose an efficient synthesis for the following transformation:Incorrect.

Propose an efficient synthesis for the following transformation:

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.

A

D

$N{a}_{2}C{r}_2{O}_7,H_{2}S{O}_4,H_{2}O$

G

B

E

$Os{O}_4,$ cat. NMO

$H$

C

NaOEt

F

PCC or DMP

I

$B{H}_3-THF$;

$H_2{O}_2,$NaOH

$B{r}_2,$ hv

$H_3{O}^{+}$

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.