You are given a code:

def main_solution(x):
    return func_5(func_11('yhdp', 2), 'bauc')

Can you predict the output of `main_solution("ydnbvwg")` 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": "ydnbvwg"}, "ref_output": "baucajfr", "ref_code": "def main_solution(x):\n    return func_5(func_11('yhdp', 2), 'bauc')", "funcname": "main_solution"}
rule