First clue: CHeEp
Capitalized words include CHE. Obviously referring to Che Guevara, the Argentine leftist leader.
Convert Che into binary, then you get 011000110110100001100101
Second clue: 11one
one is 01101111011011100110010100001 10100001010 in binary.
so 11 plus 01101111011011100110010100001 10100001010=110110111101101110011001010000110100001010
add Che binary and you get 11011011110110111001100101000 01101000010100110001101101000 01100101
Decode the combined binary and you get:
OP is a friend