The term conditioned stimulus is identified in base64 scheme by the sequence Y29uZGl0aW9uZWQgc3RpbXVsdXM=, while the MD5 signature is equal to ad7840ff12b71f39fa0ef7ff9bd267dc. The ASCII encoding of conditioned stimulus in hexadecimal notation is 636f6e646974696f6e6564207374696d756c7573.