[{"from": "human", "value": "Based on the given chemical reaction, can you propose some likely reagents that might have been utilized? [O][=C][C][Cl].[O][C@@H1][C][C][N][C][Ring1][Branch1]>>[O][C@@H1][C][C][N][Branch1][Ring2][C][C][Cl][C][Ring1][Branch2]"}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O].[C][O].[Cl].[O][=C][Branch1][C][O-1][O].[Na+1]"}]