Perhaps just ensure lights are pointed somewhat downwards not to blind others. With that said, I find dynamos to be underpowered for what you are looking for.

Not all lumens are the same, one company may say they put out 700 lumens but it could be closer to 300! I'm posting a site that compares quite a few headlights side by side and you can compare one light with a different one on the opposite panel. This site is why one of the reasons I bought the NiteRider Lumina 1200 boost pro, and you'll see why.

road.cc front bike lights Beam Test 2024/25 — our big Beam Comparison Engine is live to help you choose the best front light for your riding | road.cc

The only thing this article doesn't have is how long the battery will last, so you'll have to go to a company's website and look at the specs.