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