[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][N][C][C][C][=C][N][C][=C][Ring1][Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is an N-acylserotonin obtained by formal condensation of the carboxy group of stearic acid with the primary amino group of serotonin. It has been found in the jejunum and ileum of pigs and mice. It is functionally related to an octadecanoic acid."}]