You are given a code:

def main_solution(x):
    return func_13(('kbjq' + 'zhbwgn'), '|')

Can you predict the output of `main_solution("ckaesznluq")` without writing any code? Please reason and put your final answer in the following json format: {"output": <your output>}, where <your output> should be the final string.
user
{"ref_input": {"x": "ckaesznluq"}, "ref_output": "k|b|j|q|z|h|b|w|g|n", "ref_code": "def main_solution(x):\n    return func_13(('kbjq' + 'zhbwgn'), '|')", "funcname": "main_solution"}
rule