This problem is trickier than it looks, but given the right balance of ingenuity and perseverance, it is a thoroughly satisfying send! Sit start under the left angle, make a strong move into a groove, then reach, balance and hope :-)
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.