<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: A Phase 1B Study To Evaluate Safety, Tolerability, Pharmacokinetics And Clinical Efficacy Of The Nucleotide-Binding Oligomerization Domain, Leucine Rich Repeat Containing X1 (Nlrx1) Agonist Nx-13 In Ulcerative Colitis[/INST] Yes</s>