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