[{"from": "human", "value": "From the provided chemical reaction, propose some possible reagents that could have been used. [C][N].[O][=C][C][C][N][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][Ring1][=N]>>[C][N][C][C][C][N][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][Ring1][=N]"}, {"from": "gpt", "value": "[C][C][O][C][C][O][Ring1][=Branch1].[C][O].[Cl].[O].[BH3-1][C][#N].[Na+1].[Na+1].[OH1-1]"}]