[{"from": "human", "value": "What reagents could have been utilized in the following chemical reaction? [C][I].[N][#C][C][=N][NH1][C][=C][Ring1][Branch1][Br]>>[C][N][C][=C][Branch1][C][Br][C][Branch1][Ring1][C][#N][=N][Ring1][Branch2]"}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][=O].[H-1].[Na+1]"}]