"I do solemnly swear (or affirm) that I will faithfully execute the Office of President of the United States, and will to the best of my ability, preserve, protect and defend the Constitution of the United States."
How you managed to fuck up a one sentence oath is beyond me. I know there are a lot of words here but, considering your job, you might want to take a glance. Let us know if you have any questions. Here's a picture to help jog your memory: