[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [C][C][Branch1][C][O][C][N].[O][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][Cl]>>[C][C][Branch1][C][O][C][N][C][C][=C][C][=C][C][=C][Ring1][=Branch1][Cl]"}, {"from": "gpt", "value": "[C][O].[O][=C][Branch1][C][O-1][O].[BH4-1].[Na+1].[Na+1]"}]