You are given a code:

def main_solution(x):
    return func_5(func_5('btedt', 'xr'), 'gcfr')

Can you predict the output of `main_solution("lxtuxadlk")` 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": "lxtuxadlk"}, "ref_output": "gcfrxrbtedt", "ref_code": "def main_solution(x):\n    return func_5(func_5('btedt', 'xr'), 'gcfr')", "funcname": "main_solution"}
rule