A neat little mantle out in the middle of nowhere. Start with the left holds on the lip. Not to be confused with Coup de Poing 7a+ that starts with the right holds.
Rain sucks, but broken holds suck even more. Remember, never climb on wet rock in Fontainebleau.
The sandstone becomes brittle, and pulling on it will ruin classic problems. Drying it doesn't help, because it's still wet and weak inside.
All you can do is wait for better conditions.