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