Most current road or MTB chainrings intended for double or triple cranks have ramps and shaped teeth to improve shifting, which is exactly what you don't want. An old-fashion "flat" chainring such as the ones Surly offers would be better but may not match the newer narrow 10 and 11-speed chains. A narrow-wide suitable for 10 and 11-speed chains would be the most reliable. As long as you are making the change, go with the most suitable chainring.