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