[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a hydroxycinnamic acid that is trans-caffeic acid substituted by a prenyl group at position 5. Isolated from Brazilian propolis, it exhibits antioxidant activity. It has a role as a metabolite and an antioxidant. It is functionally related to a trans-caffeic acid."}, {"from": "gpt", "value": "[C][C][=Branch2][Ring1][O][=C][C][C][=C][Branch2][Ring1][Ring1][C][=Branch1][#C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][/C][=C][/C][=Branch1][C][=O][O][O][O][C]"}]