Predict the FINAL $(?)$ product $($or a mixture of products$)$ for the following synthetic transformation:

$NaN{H}_2$

$($excess$)$

$H_{2}O$

$1$

$9-BBN$

$H_2{O}_2,$NaOH

$Na,N{H}_3$

$Na,N{H}_3$

MCPBA

$NaB{H}_4$

two enantiomers

A

B

C

D