Find the Exact Value of the Real Number Y $$y = \csc ^ { - 1 } ( - 2 )$$

Find the exact value of the real number y.
- $$y = \csc ^ { - 1 } ( - 2 )$$

A) $\frac { \pi } { 6 }$
B) $- \frac { \pi } { 3 }$
C) $\frac { \pi } { 3 }$
D) $- \frac { \pi } { 6 }$