Please share this suggested wording with your legal advisor.
I give to The Seeing Eye, Inc., a New Jersey non-profit (Tax ID #22-1539721), or its successor, the sum of $___________________, for any purpose as The Seeing Eye deems appropriate.
I give to The Seeing Eye, Inc., a New Jersey non-profit (Tax ID #22-1539721), or its successor (the real estate located at __________________ or 1000 shares of XYZ stock), for any purpose as The Seeing Eye deems appropriate.
I give to The Seeing Eye, Inc., a New Jersey non-profit (Tax ID #22-1539721), or its successor, ________% of the rest of my estate, for any purpose as The Seeing Eye deems appropriate.