[{"from": "human", "value": "From the provided chemical reaction, propose some possible reagents that could have been used. [C][C][O][C][=Branch1][C][=O][C][=C][C][Branch1][Ring1][C][=O][=C][NH1][Ring1][#Branch1].[C][N][C]>>[C][C][O][C][=Branch1][C][=O][C][=C][C][Branch1][#Branch1][C][N][Branch1][C][C][C][=C][NH1][Ring1][=Branch2]"}, {"from": "gpt", "value": "[C][O].[O].[BH3-1][C][#N].[Na+1]"}]