[{"from": "human", "value": "Based on the given chemical reaction, can you propose some likely reagents that might have been utilized? [C][N][Branch1][C][C][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][Ring1][N]>>[C][N][Branch1][C][C][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Branch1][C][O][C][Ring1][N]"}, {"from": "gpt", "value": "[C][C][O].[O].[BH4-1].[Cl-1].[Na+1].[Na+1]"}]