The term lubricating substance is identified in base64 scheme by the sequence bHVicmljYXRpbmcgc3Vic3RhbmNl, while the MD5 signature is equal to f709239f9a1afa2ad41462f05694a30e. The ASCII encoding of lubricating substance in hexadecimal notation is 6c75627269636174696e67207375627374616e6365.