[{"from": "human", "value": "Based on the given chemical reaction, suggest some possible reagents. [C][S][C][C][C@H1][Branch1][Ring1][N][=O][C][=Branch1][C][=O][O-1]>>[C][S][C][C][C@H1][Branch1][Ring1][N][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "[C][C][O][C][C].[C][S][C][C][C@H1][Branch1][Ring1][N][=O][C][=Branch1][C][=O][O-1].[Cl].[O].[Ca+2]"}]