SMILES: C[C@@]1(C(=O)N2[C@H](C(=O)N3CCC[C@H]3[C@@]2(O1)O)CC4=CC=CC=C4)NC(=O)[C@H]5CN([C@@H]6CC7=CNC8=CC=CC(=C78)C6=C5)C
Description: The molecule is a peptide ergot alkaloid that is dihydroergotamine in which a double bond replaces the single bond between positions 9 and 10. It has a role as a non-narcotic analgesic, a vasoconstrictor agent, a serotonergic agonist, an alpha-adrenergic agonist and a mycotoxin.