<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: The Efficacy Of Elbasvir/Grazoprevir Fixed-Dose Combination For 8 Weeks In Hcv Treatment And Health-Related Quality Of Life (Hrqol) In Treatment-Naive, Non-Cirrhotic, Genotype 4-Infected Patients (Elegant-4)[/INST] Yes</s>