[{"from": "human", "value": "Based on the given chemical reaction, suggest some possible reagents. [C][O][C][=Branch1][C][=O][C][C][C][N][Branch1][C][C][C][C][Ring1][#Branch1].[N][N]>>[C][N][C][C][C][Branch1][#Branch1][C][=Branch1][C][=O][N][N][C][C][Ring1][#Branch2]"}, {"from": "gpt", "value": "[C][C][O].[O]"}]