The term system of macrophages is identified in base64 scheme by the sequence c3lzdGVtIG9mIG1hY3JvcGhhZ2Vz, while the MD5 signature is equal to abf593646b7105436dbd12f01d363a00. The ASCII encoding of system of macrophages in hexadecimal notation is 73797374656d206f66206d6163726f706861676573.