smc

$(-1,-2)$ is $4$ units west and $3$ units south of $(3,1)$. Performing a counterclockwise rotation of $270^{\circ }$, which is equivalent to a clockwise rotation of $90^{\circ }$, the answer is $3$ units west and $4$ units north of $(3,1)$, or $\boxed{(0,5)}$.