[{"from": "human", "value": "Based on the given chemical reaction, suggest some possible reagents. [C][O][C][=Branch1][C][=O][C@H1][Branch1][Ring2][C][S][C][N][C][Branch1][C][C][=O].[N][N]>>[C][S][C][C@H1][Branch1][#Branch1][N][C][Branch1][C][C][=O][C][=Branch1][C][=O][N][N]"}, {"from": "gpt", "value": "[C][C][O].[O]"}]