[{"from": "human", "value": "Based on the given chemical reaction, can you propose some likely reagents that might have been utilized? [C][=C][C][C][C][C][Br].[C][N][C][=C][C][=Branch1][C][=O][NH1][C][Ring1][#Branch1][=O]>>[C][=C][C][C][C][C][N][C][=Branch1][C][=O][C][=C][N][Branch1][C][C][C][Ring1][Branch2][=O]"}, {"from": "gpt", "value": "[C][S][Branch1][C][C][=O].[O].[H-1].[Na+1]"}]