You are given a code:

def main_solution(x):
    return (func_15('acz') + func_5('zruran', 'ms'))

Can you predict the output of `main_solution("klcl")` 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": "klcl"}, "ref_output": "\u00aba\u00bb\u00abc\u00bb\u00abz\u00bbmszruran", "ref_code": "def main_solution(x):\n    return (func_15('acz') + func_5('zruran', 'ms'))", "funcname": "main_solution"}
rule