[{"from": "human", "value": "Based on the given chemical reaction, can you propose some likely reagents that might have been utilized? [O][=C][C][C][C][Ring1][Ring2].[O][C][C][C][N][C][C][Ring1][=Branch1]>>[O][C][C][C][N][Branch1][#Branch1][C][C][C][C][Ring1][Ring2][C][C][Ring1][#Branch2]"}, {"from": "gpt", "value": "[C][O].[BH3-1][C][#N].[Na+1]"}]