2,5-Dimethoxy-4-iodoamphetamine (DOI) enhances motivation in low and medium but not high performers in the progressive ratio (PR) task in rats
2,5-Dimethoxy-4-iodoamphetamine 
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: 2,5-Dimethoxy-4-iodoamphetamine (DOI) enhances motivation in low and medium but not high performers in the progressive ratio (PR) task in rats ### Output: 2,5-Dimethoxy-4-iodoamphetamine 