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