[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][N][C][=Branch1][Ring2][=N][Ring1][=Branch1][C][=C][S][C][=N][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is active against a variety of nematodes and is the drug of choice for strongyloidiasis. It has CNS side effects and hepatototoxic potential. (From Smith and Reynard, Textbook of Pharmacology, 1992, p919)"}]