Identify the reagents you would use to convert cyclohexanone into the following compound:
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
CH$_3$CH$_2$Br
B
Br$_2$, H$_3$O$^+$
C
1) Me$_2$CuLi; 2) H$_3$O$^+$
D
LDA
E
1) MeMgBr; 2) H$_3$O$^+$
F
1) Et$_2$CuLi; 2) H$_3$O$^+$
G
pyridine
H
CH$_3$I
I
1) EtMgBr; 2) H$_3$O$^+$