You are given a code:

def main_solution(x):
    return func_5('jrsvjf', 'ukh')

Can you predict the output of `main_solution("rjqezyef")` 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": "rjqezyef"}, "ref_output": "ukhjrsvjf", "ref_code": "def main_solution(x):\n    return func_5('jrsvjf', 'ukh')", "funcname": "main_solution"}
rule