[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a carbamate ester obatined by the formal condensation of urea-1-carboxylic acid with methanol. It has a role as a metabolite. It is a member of ureas and a carbamate ester. It is functionally related to a urea-1-carboxylic acid."}, {"from": "gpt", "value": "[C][O][C][=Branch1][C][=O][N][C][=Branch1][C][=O][N]"}]