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