answer very clearly!!!!!

Question $1$: Stereochemistry and pKa $(3$ Marks $-0\mathrm{.}5$ Mark per response$))$ Shown below is

the chemical structure of forskolin a natural product produced in the roots of Coleus forskohlii and

has been used as traditional medicine in India. Please examine the chemical structure carefully

and answer the questions that follow.

In the boxes please assign the absolute configuration i$.$e$.($R$)$ or $($S$)$ to the stereogenic centers

indicated with an arrow.

In the circle please provide an approximate value for the pKa of the protons indicated with an

arrow.