[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a carboxylic ester. It has a role as a metabolite."}, {"from": "gpt", "value": "[C][C][=C][C][C][C@][Branch2][Ring2][=Branch1][C@@H1][Branch1][Ring2][O][Ring1][Ring1][C][C@@][Branch2][Ring1][#Branch2][C@@H1][Branch1][Branch1][C][C][Ring1][N][C@H1][Branch1][O][C][C@@H1][Ring1][#Branch1][O][C][=Branch1][C][=O][C][C][=Branch1][C][=C][C][C][C]"}]