[{"from": "human", "value": "Can you suggest some reagents that might have been used in the given chemical reaction? [C][C][=C][C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][=C][Branch1][C][Cl][C][=C][Ring1][#Branch2][C][#N]>>[C][C][=C][C][Branch1][C][N][=C][Branch1][C][Cl][C][=C][Ring1][Branch2][C][#N]"}, {"from": "gpt", "value": "[C][C][O].[Cl][C][Cl].[Cl][Sn][Cl].[O].[O].[O].[Na+1].[OH1-1]"}]