[{"from": "human", "value": "Given the following reaction, what are some possible reagents that could have been utilized? [C][C][O][C][=Branch1][C][=O][C][C][=C][S][C][Branch1][#Branch1][N][C][Branch1][C][N][=O][=N][Ring1][=Branch2]>>[N][C][=Branch1][C][=O][N][C][=N][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][=C][S][Ring1][=Branch2]"}, {"from": "gpt", "value": "[C][O].[O].[K+1].[OH1-1]"}]