The term over-the-counter drug is identified in base64 scheme by the sequence b3Zlci10aGUtY291bnRlciBkcnVn, while the MD5 signature is equal to d1af143e259df455992c949f61e37cd1. The ASCII encoding of over-the-counter drug in hexadecimal notation is 6f7665722d7468652d636f756e7465722064727567.