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