[{"from": "human", "value": "What reagents could have been utilized in the following chemical reaction? [C][C][Branch1][C][C][C][C][=Branch1][C][=O][Cl].[C][C][=C][C][=C][C][=C][Ring1][=Branch1]>>[C][C][=C][C][=C][Branch1][O][C][=Branch1][C][=O][C][C][Branch1][C][C][C][C][=C][Ring1][N]"}, {"from": "gpt", "value": "[O].[Al+3].[Cl-1].[Cl-1].[Cl-1]"}]