<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: Introduction To The Therapeutic Potential Of Carbon Monoxide (Co) Released From Pharmacological Donors Against Barrett'S Metaplasia And Esophageal Adenocarcinoma (Eac) Development[/INST] Yes</s>