[{"from": "human", "value": "Please suggest some possible reagents that could have been used in the following chemical reaction. [C][C][C][C][Br].[O][C][C][C][C][C][C][C][N][Ring1][=Branch1]>>[C][C][C][C][N][C][C][C][C][C][Ring1][=Branch1][C][C][O]"}, {"from": "gpt", "value": "[C][C][O].[Na+1].[OH1-1]"}]