You are given a code:

def main_solution(x):
    return func_22('ngvkf')

Can you predict the output of `main_solution("jhxvqths")` 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": "jhxvqths"}, "ref_output": "ngvk", "ref_code": "def main_solution(x):\n    return func_22('ngvkf')", "funcname": "main_solution"}
rule