[{"from": "human", "value": "From the provided chemical reaction, propose some possible reagents that could have been used. [C][C][S][C][=N][C][Branch1][C][C][=C][Branch1][Ring2][C][C][O][C][=Branch1][C][=O][NH1][Ring1][O].[C][I]>>[C][C][S][C][=N][C][Branch1][C][C][=C][Branch1][Ring2][C][C][O][C][=Branch1][C][=O][N][Ring1][O][C]"}, {"from": "gpt", "value": "[C][S][Branch1][C][C][=O].[O].[K+1].[OH1-1]"}]