ST101, a peptide antagonist of novel I/O target CEBPb, reprograms MDSC polarization and decreases tumor-associated Tregs, suggesting an immune component to observed clinical responses   
ST-101
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: Identify all the mentioned drugs in the given text. Text may or may not contain drug. If they contain more than 1 drug, use ";" as delimiter and join them. ### Input: ST101, a peptide antagonist of novel I/O target CEBPb, reprograms MDSC polarization and decreases tumor-associated Tregs, suggesting an immune component to observed clinical responses    ### Output: ST-101