The phrase 'most compelling one' is correct and usable in written English.
You can use it when you are referring to the strongest point in a list of statements, ideas, or arguments. For example, "Of all the reasons why we should support this cause, the most compelling one is that it will benefit people in our community."
But the most compelling one may have been that acting alone would undercut him if in the next three years he needed Congressional authority for his next military confrontation in the Middle East, perhaps with Iran.
"The most compelling one is that there seems to be a trend in policy stagnation," she said, "an inability to arrive at decisions collectively within the standing committee that I think shows up in a number of different ways".
Joining Essilor, the world leader in ophthalmic optics, was by far the most compelling one".
There were many reasons I decided to move, but I believe the most compelling one was curiosity.
The most compelling one has to be the newest, regarding Spore's Creature Creator, a free piece of software if you'll recall in trial form, and an embarassing money grab in retail form.
"G.M. may be the most compelling one- to three-year auto turnaround story in our universe," Citigroup said.
Many of the most compelling ones introduced last week were suitably muted in style.
I think one of the most compelling ones is that it's like an insurance policy, a backup of something you value.
The program was modeled on "Queen for a Day," in which people told their stories and a prize was given to the most emotionally compelling one.
Allmusic editor Thom Jurek called it Cooder's "most overtly political album... and one of his funniest, most musically compelling ones, too".
Because much of DNA phenotyping is based on guesswork or stereotyping based on ancestry and sex, Dewey-Hagborg chose two of the most compelling possible faces, one gender neutral and one feminine, with Manning's input.
