A

B

$LiAl{H}_4$ followed by acidic workup

E

N

J

$C{H}_{3}C{H}_{2}OH$

cat. TsOH

followed by acidic workup

L

$8$

$3$ points

$S$

$C{H}_{3}C{H}_{2}MgBr$ followed by acidic workup

D

K

$H$

P

T

@

T

$H_3{O}^{+}$ acidic workup

Enter $($using a capital letter$)$ the reagent$($s$)$ needed for the SECOND STEP of this transformation: type your answer...