[{"from": "human", "value": "From the provided chemical reaction, propose some possible reagents that could have been used. [C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][C][C][O][C][C][Ring1][=Branch2].[NH4+1]>>[C][C][Branch1][=Branch1][C][Branch1][C][N][=O][C][C][O][C][C][Ring1][=Branch2]"}, {"from": "gpt", "value": "[C][C][#N].[Cl][C][C][Cl].[O][N][N][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=Branch2].[OH1-1]"}]