You are given a code:

def main_solution(x):
    return func_20(func_20(x, x), func_15('bqpe'))

Can you predict the output of `main_solution("kfxcnohyuw")` 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": "kfxcnohyuw"}, "ref_output": "k\u00abkbf\u00bbf\u00abxqx\u00bbc\u00abcpn\u00bbn\u00aboeo\u00bbhhyyuuww", "ref_code": "def main_solution(x):\n    return func_20(func_20(x, x), func_15('bqpe'))", "funcname": "main_solution"}
rule