[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [C][O][C][=C][C][Branch1][C][Cl][=C][C][=C][Ring1][#Branch1][C][#C][C][C][O]>>[C][O][C][=C][C][Branch1][C][Cl][=C][C][=C][Ring1][#Branch1][C][C][C][C][O]"}, {"from": "gpt", "value": "[C][C][O][C][Branch1][C][C][=O].[O][=Pt][=O].[H][H]"}]