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