You are given a code:

def main_solution(x):
    return func_17(func_5('qssvsv', 'skes'))

Can you predict the output of `main_solution("zkgvxrqn")` 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": "zkgvxrqn"}, "ref_output": "vsvssqseks", "ref_code": "def main_solution(x):\n    return func_17(func_5('qssvsv', 'skes'))", "funcname": "main_solution"}
rule