You are given a code:

def main_solution(x):
    return func_5('eradw', 'tjyh')

Can you predict the output of `main_solution("nqfz")` 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": "nqfz"}, "ref_output": "tjyheradw", "ref_code": "def main_solution(x):\n    return func_5('eradw', 'tjyh')", "funcname": "main_solution"}
rule