[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][C][C][Branch2][Ring1][=C][C][C][C][C][C][C][=C][Branch1][=N][C][=Branch1][=Branch2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][C][=Branch1][C][=O][O][Ring2][Ring1][Branch1][O]"}, {"from": "gpt", "value": "The molecule is isolated from Fusarium species. It is an anabolic agent and estrogenic agent (mainly veterinary use). Zeranol is used as a growth promoter for food animals. It was banned by the EU in 1989, but is still permitted in the USA and some other countries. It may also arise in livestock by ingestion of Fusarium contaminated pasture or feeds.\n\nZeranol has been shown to exhibit muscle building function (A7851).\n\nZeranol belongs to the family of Macrolides and Analogues. These are organic compounds containing a lactone ring of at least twelve members[1]. The term 'macrolide' encompasses a diverse family of unrelated compounds with large macrolactam rings[2]."}]