[{"from": "human", "value": "Based on the given chemical reaction, can you propose some likely reagents that might have been utilized? [C][C][Branch1][C][C][C][C][=O].[C][O][C][=Branch1][C][=O][C@@H1][C][C][C][C][C][C@@H1][Ring1][#Branch1][N]>>[C][O][C][=Branch1][C][=O][C@@H1][C][C][C][C][C][C@@H1][Ring1][#Branch1][N][C][C][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O-1].[C][O].[Cl].[Cl].[BH3-1][C][#N].[Na+1].[Na+1]"}]