[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [C][=O].[C][=C][C][=C][Branch1][Ring2][S][Ring1][Branch1][C][C][N][C][Ring1][#Branch1]>>[C][N][C][C][C][S][C][=C][C][=Ring1][Branch1][C][Ring1][=Branch2]"}, {"from": "gpt", "value": "[Cl].[Cl][C][Cl].[BH3-1][C][#N].[Na+1]"}]