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Gukesh vs Vidit Gujrathi, Zagreb Grand Chess Tour Rapid

What should White play in this position?
The most important moment of the game. White to play.
Which pawn would you capture here as White - the c5 pawn or the h6 pawn?
Here was Vidit's chance as Black to win the game. What would you play?
Black has just pushed his pawn to e3. White needs to find the only move to keep the game going.