[{"from": "human", "value": "Given this chemical reaction, what are some reagents that could have been used? [C][N].[O][=C][C][=C][C][=C][C][=N][Ring1][=Branch1]>>[C][N][C][C][=C][C][=C][C][=N][Ring1][=Branch1]"}, {"from": "gpt", "value": "[C][C][O].[Cl].[Cl][C][Cl].[BH4-1].[Na+1].[C][=C][C][=C][C][=C][Ring1][=Branch1]"}]