<s>[INST] Given an abstract text, please determine whether it contains any drug mentions. Provide a 'Yes' or 'No' answer based on the presence or absence of drugs. Abstract Text: Bismuth, Esomeprazole, Metronidazole And Amoxicillin Or Tetracycline As A First-Line Regimen For Helicobacter Pylori Eradication:A Randomised Controlled Trial[/INST] Yes</s>