You are given a code:

def main_solution(x):
    return func_20(func_15('gxjf'), func_23('chsops', 1))

Can you predict the output of `main_solution("oeikxh")` 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": "oeikxh"}, "ref_output": "\u00abcgh\u00bbs\u00aboxp\u00bbs\u00ab1j\u00bb\u00abf\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_15('gxjf'), func_23('chsops', 1))", "funcname": "main_solution"}
rule