<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 Ib Study Of Photoimmunotherapy With Asp-1929 In Combinaton With Nivolumab For Patients With Advanced Gastric Cancer (Ge-Pit Study, Epoc1901)[/INST] Yes</s>