You are given a code:

def main_solution(x):
    return func_3(func_5('ukyl', 'caot'))

Can you predict the output of `main_solution("qazgvgruag")` 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": "qazgvgruag"}, "ref_output": "acklotuy", "ref_code": "def main_solution(x):\n    return func_3(func_5('ukyl', 'caot'))", "funcname": "main_solution"}
rule