You are given a code:

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

Can you predict the output of `main_solution("zrimsqpn")` 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": "zrimsqpn"}, "ref_output": "o\u00abzzp\u00bbr\u00absri\u00bbq\u00abmin\u00bbs\u00abmmq\u00bbp\u00abns\u00bb\u00abq\u00bb\u00abp\u00bb\u00abn\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_20('opsqnm', x), func_15(x))", "funcname": "main_solution"}
rule