The term preconceived notion is identified in base64 scheme by the sequence cHJlY29uY2VpdmVkIG5vdGlvbg==, while the MD5 signature is equal to 52dd98f605c3a2e52b5f0bb2a659acae. The ASCII encoding of preconceived notion in hexadecimal notation is 707265636f6e636569766564206e6f74696f6e.