[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [Br][C][=C][C][=C][C][=N][Ring1][=Branch1].[C][#C][C][C][O]>>[O][C][C][C][#C][C][=C][C][=C][C][=N][Ring1][=Branch1]"}, {"from": "gpt", "value": "[Cu][I]"}]