[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a fatty amide of stearic acid. It has a role as a metabolite. It is functionally related to an octadecanoic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][N]"}]