You are given a code:

def main_solution(x):
    return func_20(func_1('gliyj', 2), func_15('yqei'))

Can you predict the output of `main_solution("rsujngxrzp")` 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": "rsujngxrzp"}, "ref_output": "g\u00ablyi\u00bby\u00abjqg\u00bbl\u00abiey\u00bbj\u00abi\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_1('gliyj', 2), func_15('yqei'))", "funcname": "main_solution"}
rule