The term narcotic antagonist is identified in base64 scheme by the sequence bmFyY290aWMgYW50YWdvbmlzdA==, while the MD5 signature is equal to 7d1865f549c2f1222052b61fbd4469e7. The ASCII encoding of narcotic antagonist in hexadecimal notation is 6e6172636f74696320616e7461676f6e697374.