[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a 4-hydroxyproline substituted at N-1 by an methoxyacetyl group. It has a role as a metabolite. It is functionally related to a 4-hydroxyproline."}, {"from": "gpt", "value": "[C][O][C][C][=Branch1][C][=O][N][C][C][Branch1][#Branch2][C][C][Ring1][Branch1][C][=Branch1][C][=O][O][O]"}]