The term smoked mackerel is identified in base64 scheme by the sequence c21va2VkIG1hY2tlcmVs, while the MD5 signature is equal to 3b18d50bb9c5f5cd02e2e35788d19bc1. The ASCII encoding of smoked mackerel in hexadecimal notation is 736d6f6b6564206d61636b6572656c.