<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: Baseline Cytokine Levels And Microbiome Signatures Are Associted With Clinical Response Following Ustekinumab Induction In A Multi-Centre Prospective Cohort Study Of Crohn'S Disease Patients:Results From The Aurora Study[/INST] Yes</s>