[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [Br][C][C][C][C][C][C][C][Ring1][=Branch1].[C][C][=N][NH1][C][=Ring1][Branch1]>>[C][C][=N][N][Branch1][#Branch2][C][C][C][C][C][C][C][Ring1][=Branch1][C][=Ring1][N]"}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][=O].[H-1].[Na+1]"}]