[{"from": "human", "value": "Please propose potential reagents that might have been utilized in the provided chemical reaction. [C][O][C][=Branch1][C][=O][C][=C][S][C][=C][Ring1][Branch1][N][C][Branch1][C][C][=O]>>[C][C][=Branch1][C][=O][N][C][=C][S][C][=C][Ring1][Branch1][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "[K+1].[OH1-1]"}]