{"reason": "gpt-4.5-preview submitted an invalid move (parse error)", "solver": "claude 3.7 sonnet (low2)", "winner": "claude 3.7 sonnet (low2)", "players": ["gpt-4.5-preview", "claude 3.7 sonnet (low2)"], "proposer": "gpt-4.5-preview", "game_over": true, "currentTurn": 0}