The term chemical irritant is identified in base64 scheme by the sequence Y2hlbWljYWwgaXJyaXRhbnQ=, while the MD5 signature is equal to 69a12a1ed993aa52f5219bbbf981a9e2. The ASCII encoding of chemical irritant in hexadecimal notation is 6368656d6963616c206972726974616e74.