[{"from": "human", "value": "Please suggest some possible reagents that could have been used in the following chemical reaction. [C][N][N][=C][C][=C][C][Branch1][C][N][=C][C][=C][Ring1][#Branch1][Ring1][#Branch2].[I-1]>>[C][N][N][=C][C][=C][C][Branch1][C][I][=C][C][=C][Ring1][#Branch1][Ring1][#Branch2]"}, {"from": "gpt", "value": "[O].[O][=N][O-1].[O][=S][=Branch1][C][=O][Branch1][C][O][O].[Na+1].[Na+1].[Na+1].[OH1-1]"}]