You are given a code:

def main_solution(x):
    return func_22(func_5('mnmb', 'qw'))

Can you predict the output of `main_solution("pkxomie")` 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": "pkxomie"}, "ref_output": "qwmnmb", "ref_code": "def main_solution(x):\n    return func_22(func_5('mnmb', 'qw'))", "funcname": "main_solution"}
rule