The term histamine blocker is identified in base64 scheme by the sequence aGlzdGFtaW5lIGJsb2NrZXI=, while the MD5 signature is equal to ff2157f0fe2c885f3403538cf9c1e940. The ASCII encoding of histamine blocker in hexadecimal notation is 68697374616d696e6520626c6f636b6572.