[{"from": "human", "value": "What reagents could have been utilized in the following chemical reaction? [Br][C][C][=C][C][=C][C][Branch1][C][Br][=C][Ring1][#Branch1].[C][N][C]>>[C][N][Branch1][C][C][C][C][=C][C][=C][C][Branch1][C][Br][=C][Ring1][#Branch1]"}, {"from": "gpt", "value": "[Cl].[C][=C][C][=C][C][=C][Ring1][=Branch1]"}]