You are given a code:

def main_solution(x):
    return func_20(func_5(x, 'rrx'), func_15('wmxrek'))

Can you predict the output of `main_solution("rsqkoz")` 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": "rsqkoz"}, "ref_output": "r\u00abrwx\u00bbr\u00absmq\u00bbk\u00aboxz\u00bb\u00abr\u00bb\u00abe\u00bb\u00abk\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_5(x, 'rrx'), func_15('wmxrek'))", "funcname": "main_solution"}
rule