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