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