You are given a code:

def main_solution(x):
    return func_20(func_9(x), func_15('xmfff'))

Can you predict the output of `main_solution("goczurs")` 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": "goczurs"}, "ref_output": "g\u00aboxc\u00bbz\u00abumr\u00bbs\u00absfr\u00bbu\u00abzfc\u00bbo\u00abgf\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_9(x), func_15('xmfff'))", "funcname": "main_solution"}
rule