[{"from": "human", "value": "Based on the given chemical reaction, can you propose some likely reagents that might have been utilized? [C][O][C][=Branch1][C][=O][C][C][C][N][C][=Branch1][C][=O][C][C][C][C][C][C][C][S][S][Ring1][Branch1]>>[O][=C][Branch1][C][O][C][C][C][N][C][=Branch1][C][=O][C][C][C][C][C][C][C][S][S][Ring1][Branch1]"}, {"from": "gpt", "value": "[C][O].[Na+1].[OH1-1]"}]