[{"from": "human", "value": "Given the following reaction, what are some possible reagents that could have been utilized? [Br][C][C][C][N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=N].[C][N][C]>>[C][N][Branch1][C][C][C][C][C][N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=N]"}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][=O].[C][O].[Cl].[Cl][C][Cl].[H-1].[Na+1]"}]