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