Nuvo... The very purpose of the second motion is to give a chance to both parties to either accept or reject the motion. So, you cannot add a clause to prevent it.
If you doubt the other party will harass you by retracting in second motion, do not waste time.
Withdraw MCD and file for divorce on appropriate grounds.
Make sure to put valid grouds and proof in the petition.
Let the time out kick in for contested divorce.
But divorce is absoultely not recoommded if you have kids.