[{"from": "human", "value": "Generate a molecule based on the given description. The molecule are retained; the female worms return to the mesentery, but can no longer release eggs. (From Martidale, The Extra Pharmacopoeia, 31st ed, p121)"}, {"from": "gpt", "value": "[C][C][Branch1][C][C][N][C][C][C][C][C][=C][C][=Branch1][S][=C][Branch1][Branch2][C][=C][Ring1][=Branch1][N][Ring1][#Branch2][N+1][=Branch1][C][=O][O-1][C][O]"}]