Answer
$Hg(OAc)_2$, $CH_3OH$ and $NaBH_4$ can be used to synthesize the product.
Work Step by Step
The mechanism is:
Step 1: Electrophilic attack forms a mercurinium ion.
Step 2: Methanol opens the ring to give an organomercurial alcohol.
Demercuration replaces the mercuric fragment with hydrogen to give the product.