SDCL § 21-9-2: Obligations and agreements not specifically enforceable.

The following obligations cannot be specifically enforced:

(1) An obligation to render personal service;

(2) An obligation to employ another in personal service;

(3) An agreement to submit a controversy to arbitration except as authorized in the Uniform Arbitration Act;

(4) An agreement to perform an act which the party has not power lawfully to perform when required to do so;

(5) An agreement to procure the act or consent of the spouse of the contracting party, or of any other third person;

(6) An agreement, the terms of which are not sufficiently certain, to make the precise act which is to be done clearly ascertainable.